157237920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 288

約数和(自身を含む): 646289280

約数和(自身を除く): 489051360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 821, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1642, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2463, 2520, 2660, 2736, 3040, 3192, 3284, 3360, 3420, 3990, 4105, 4256, 4560, 4788, 4926, 5040, 5320, 5472, 5747, 5985, 6384, 6568, 6840, 7389, 7980, 8210, 9120, 9576, 9852, 10080, 10640, 11494, 11970, 12315, 12768, 13136, 13680, 14778, 15599, 15960, 16420, 17241, 19152, 19704, 21280, 22988, 23940, 24630, 26272, 27360, 28735, 29556, 31198, 31920, 32840, 34482, 36945, 38304, 39408, 45976, 46797, 47880, 49260, 51723, 57470, 59112, 62396, 63840, 65680, 68964, 73890, 77995, 78816, 86205, 91952, 93594, 95760, 98520, 103446, 109193, 114940, 118224, 124792, 131360, 137928, 140391, 147780, 155990, 172410, 183904, 187188, 191520, 197040, 206892, 218386, 229880, 233985, 236448, 249584, 258615, 275856, 280782, 295560, 311980, 327579, 344820, 374376, 394080, 413784, 436772, 459760, 467970, 499168, 517230, 545965, 551712, 561564, 591120, 623960, 655158, 689640, 701955, 748752, 827568, 873544, 919520, 935940, 982737, 1034460, 1091930, 1123128, 1182240, 1247920, 1310316, 1379280, 1403910, 1497504, 1637895, 1655136, 1747088, 1871880, 1965474, 2068920, 2183860, 2246256, 2495840, 2620632, 2758560, 2807820, 3275790, 3494176, 3743760, 3930948, 4137840, 4367720, 4492512, 4913685, 5241264, 5615640, 6551580, 7487520, 7861896, 8275680, 8735440, 9827370, 10482528, 11231280, 13103160, 15723792, 17470880, 19654740, 22462560, 26206320, 31447584, 39309480, 52412640, 78618960, 157237920]

約数ペア:

[(1, 157237920), (2, 78618960), (3, 52412640), (4, 39309480), (5, 31447584), (6, 26206320), (7, 22462560), (8, 19654740), (9, 17470880), (10, 15723792), (12, 13103160), (14, 11231280), (15, 10482528), (16, 9827370), (18, 8735440), (19, 8275680), (20, 7861896), (21, 7487520), (24, 6551580), (28, 5615640), (30, 5241264), (32, 4913685), (35, 4492512), (36, 4367720), (38, 4137840), (40, 3930948), (42, 3743760), (45, 3494176), (48, 3275790), (56, 2807820), (57, 2758560), (60, 2620632), (63, 2495840), (70, 2246256), (72, 2183860), (76, 2068920), (80, 1965474), (84, 1871880), (90, 1747088), (95, 1655136), (96, 1637895), (105, 1497504), (112, 1403910), (114, 1379280), (120, 1310316), (126, 1247920), (133, 1182240), (140, 1123128), (144, 1091930), (152, 1034460), (160, 982737), (168, 935940), (171, 919520), (180, 873544), (190, 827568), (210, 748752), (224, 701955), (228, 689640), (240, 655158), (252, 623960), (266, 591120), (280, 561564), (285, 551712), (288, 545965), (304, 517230), (315, 499168), (336, 467970), (342, 459760), (360, 436772), (380, 413784), (399, 394080), (420, 374376), (456, 344820), (480, 327579), (504, 311980), (532, 295560), (560, 280782), (570, 275856), (608, 258615), (630, 249584), (665, 236448), (672, 233985), (684, 229880), (720, 218386), (760, 206892), (798, 197040), (821, 191520), (840, 187188), (855, 183904), (912, 172410), (1008, 155990), (1064, 147780), (1120, 140391), (1140, 137928), (1197, 131360), (1260, 124792), (1330, 118224), (1368, 114940), (1440, 109193), (1520, 103446), (1596, 98520), (1642, 95760), (1680, 93594), (1710, 91952), (1824, 86205), (1995, 78816), (2016, 77995), (2128, 73890), (2280, 68964), (2394, 65680), (2463, 63840), (2520, 62396), (2660, 59112), (2736, 57470), (3040, 51723), (3192, 49260), (3284, 47880), (3360, 46797), (3420, 45976), (3990, 39408), (4105, 38304), (4256, 36945), (4560, 34482), (4788, 32840), (4926, 31920), (5040, 31198), (5320, 29556), (5472, 28735), (5747, 27360), (5985, 26272), (6384, 24630), (6568, 23940), (6840, 22988), (7389, 21280), (7980, 19704), (8210, 19152), (9120, 17241), (9576, 16420), (9852, 15960), (10080, 15599), (10640, 14778), (11494, 13680), (11970, 13136), (12315, 12768)]