20666812500

素因数分解:

$2^2\times 3^3\times 5^6\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 336

約数和(自身を含む): 68992866880

約数和(自身を除く): 48326054380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 125, 135, 148, 150, 180, 185, 222, 225, 250, 270, 300, 331, 333, 370, 375, 444, 450, 500, 540, 555, 625, 662, 666, 675, 740, 750, 900, 925, 993, 999, 1110, 1125, 1250, 1324, 1332, 1350, 1500, 1655, 1665, 1850, 1875, 1986, 1998, 2220, 2250, 2500, 2700, 2775, 2979, 3125, 3310, 3330, 3375, 3700, 3750, 3972, 3996, 4500, 4625, 4965, 4995, 5550, 5625, 5958, 6250, 6620, 6660, 6750, 7500, 8275, 8325, 8937, 9250, 9375, 9930, 9990, 11100, 11250, 11916, 12247, 12500, 13500, 13875, 14895, 15625, 16550, 16650, 16875, 17874, 18500, 18750, 19860, 19980, 22500, 23125, 24494, 24825, 24975, 27750, 28125, 29790, 31250, 33100, 33300, 33750, 35748, 36741, 37500, 41375, 41625, 44685, 46250, 46875, 48988, 49650, 49950, 55500, 56250, 59580, 61235, 62500, 67500, 69375, 73482, 74475, 82750, 83250, 84375, 89370, 92500, 93750, 99300, 99900, 110223, 112500, 115625, 122470, 124125, 124875, 138750, 140625, 146964, 148950, 165500, 166500, 168750, 178740, 183705, 187500, 206875, 208125, 220446, 223425, 231250, 244940, 248250, 249750, 277500, 281250, 297900, 306175, 330669, 337500, 346875, 367410, 372375, 413750, 416250, 421875, 440892, 446850, 462500, 496500, 499500, 551115, 562500, 578125, 612350, 620625, 624375, 661338, 693750, 734820, 744750, 827500, 832500, 843750, 893700, 918525, 1034375, 1040625, 1102230, 1117125, 1156250, 1224700, 1241250, 1248750, 1322676, 1387500, 1489500, 1530875, 1653345, 1687500, 1734375, 1837050, 1861875, 2068750, 2081250, 2204460, 2234250, 2312500, 2482500, 2497500, 2755575, 3061750, 3103125, 3121875, 3306690, 3468750, 3674100, 3723750, 4137500, 4162500, 4468500, 4592625, 5171875, 5203125, 5511150, 5585625, 6123500, 6206250, 6243750, 6613380, 6937500, 7447500, 7654375, 8266725, 9185250, 9309375, 10343750, 10406250, 11022300, 11171250, 12412500, 12487500, 13777875, 15308750, 15515625, 15609375, 16533450, 18370500, 18618750, 20687500, 20812500, 22342500, 22963125, 27555750, 27928125, 30617500, 31031250, 31218750, 33066900, 37237500, 38271875, 41333625, 45926250, 46546875, 55111500, 55856250, 62062500, 62437500, 68889375, 76543750, 82667250, 91852500, 93093750, 111712500, 114815625, 137778750, 139640625, 153087500, 165334500, 186187500, 191359375, 206668125, 229631250, 275557500, 279281250, 344446875, 382718750, 413336250, 459262500, 558562500, 574078125, 688893750, 765437500, 826672500, 1033340625, 1148156250, 1377787500, 1722234375, 2066681250, 2296312500, 3444468750, 4133362500, 5166703125, 6888937500, 10333406250, 20666812500]

約数ペア:

[(1, 20666812500), (2, 10333406250), (3, 6888937500), (4, 5166703125), (5, 4133362500), (6, 3444468750), (9, 2296312500), (10, 2066681250), (12, 1722234375), (15, 1377787500), (18, 1148156250), (20, 1033340625), (25, 826672500), (27, 765437500), (30, 688893750), (36, 574078125), (37, 558562500), (45, 459262500), (50, 413336250), (54, 382718750), (60, 344446875), (74, 279281250), (75, 275557500), (90, 229631250), (100, 206668125), (108, 191359375), (111, 186187500), (125, 165334500), (135, 153087500), (148, 139640625), (150, 137778750), (180, 114815625), (185, 111712500), (222, 93093750), (225, 91852500), (250, 82667250), (270, 76543750), (300, 68889375), (331, 62437500), (333, 62062500), (370, 55856250), (375, 55111500), (444, 46546875), (450, 45926250), (500, 41333625), (540, 38271875), (555, 37237500), (625, 33066900), (662, 31218750), (666, 31031250), (675, 30617500), (740, 27928125), (750, 27555750), (900, 22963125), (925, 22342500), (993, 20812500), (999, 20687500), (1110, 18618750), (1125, 18370500), (1250, 16533450), (1324, 15609375), (1332, 15515625), (1350, 15308750), (1500, 13777875), (1655, 12487500), (1665, 12412500), (1850, 11171250), (1875, 11022300), (1986, 10406250), (1998, 10343750), (2220, 9309375), (2250, 9185250), (2500, 8266725), (2700, 7654375), (2775, 7447500), (2979, 6937500), (3125, 6613380), (3310, 6243750), (3330, 6206250), (3375, 6123500), (3700, 5585625), (3750, 5511150), (3972, 5203125), (3996, 5171875), (4500, 4592625), (4625, 4468500), (4965, 4162500), (4995, 4137500), (5550, 3723750), (5625, 3674100), (5958, 3468750), (6250, 3306690), (6620, 3121875), (6660, 3103125), (6750, 3061750), (7500, 2755575), (8275, 2497500), (8325, 2482500), (8937, 2312500), (9250, 2234250), (9375, 2204460), (9930, 2081250), (9990, 2068750), (11100, 1861875), (11250, 1837050), (11916, 1734375), (12247, 1687500), (12500, 1653345), (13500, 1530875), (13875, 1489500), (14895, 1387500), (15625, 1322676), (16550, 1248750), (16650, 1241250), (16875, 1224700), (17874, 1156250), (18500, 1117125), (18750, 1102230), (19860, 1040625), (19980, 1034375), (22500, 918525), (23125, 893700), (24494, 843750), (24825, 832500), (24975, 827500), (27750, 744750), (28125, 734820), (29790, 693750), (31250, 661338), (33100, 624375), (33300, 620625), (33750, 612350), (35748, 578125), (36741, 562500), (37500, 551115), (41375, 499500), (41625, 496500), (44685, 462500), (46250, 446850), (46875, 440892), (48988, 421875), (49650, 416250), (49950, 413750), (55500, 372375), (56250, 367410), (59580, 346875), (61235, 337500), (62500, 330669), (67500, 306175), (69375, 297900), (73482, 281250), (74475, 277500), (82750, 249750), (83250, 248250), (84375, 244940), (89370, 231250), (92500, 223425), (93750, 220446), (99300, 208125), (99900, 206875), (110223, 187500), (112500, 183705), (115625, 178740), (122470, 168750), (124125, 166500), (124875, 165500), (138750, 148950), (140625, 146964)]