251308440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 256

約数和(自身を含む): 908352000

約数和(自身を除く): 657043560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 37, 38, 40, 45, 54, 57, 60, 72, 74, 76, 90, 95, 108, 111, 114, 120, 135, 148, 152, 171, 180, 185, 190, 216, 222, 228, 270, 285, 296, 331, 333, 342, 360, 370, 380, 444, 456, 513, 540, 555, 570, 662, 666, 684, 703, 740, 760, 855, 888, 993, 999, 1026, 1080, 1110, 1140, 1324, 1332, 1368, 1406, 1480, 1655, 1665, 1710, 1986, 1998, 2052, 2109, 2220, 2280, 2565, 2648, 2664, 2812, 2979, 3310, 3330, 3420, 3515, 3972, 3996, 4104, 4218, 4440, 4965, 4995, 5130, 5624, 5958, 6289, 6327, 6620, 6660, 6840, 7030, 7944, 7992, 8436, 8937, 9930, 9990, 10260, 10545, 11916, 12247, 12578, 12654, 13240, 13320, 14060, 14895, 16872, 17874, 18867, 18981, 19860, 19980, 20520, 21090, 23832, 24494, 25156, 25308, 28120, 29790, 31445, 31635, 35748, 36741, 37734, 37962, 39720, 39960, 42180, 44685, 48988, 50312, 50616, 56601, 59580, 61235, 62890, 63270, 71496, 73482, 75468, 75924, 84360, 89370, 94335, 94905, 97976, 110223, 113202, 119160, 122470, 125780, 126540, 146964, 150936, 151848, 169803, 178740, 183705, 188670, 189810, 220446, 226404, 232693, 244940, 251560, 253080, 283005, 293928, 330669, 339606, 357480, 367410, 377340, 379620, 440892, 452808, 465386, 489880, 551115, 566010, 661338, 679212, 698079, 734820, 754680, 759240, 849015, 881784, 930772, 1102230, 1132020, 1163465, 1322676, 1358424, 1396158, 1469640, 1653345, 1698030, 1861544, 2094237, 2204460, 2264040, 2326930, 2645352, 2792316, 3306690, 3396060, 3490395, 4188474, 4408920, 4653860, 5584632, 6282711, 6613380, 6792120, 6980790, 8376948, 9307720, 10471185, 12565422, 13226760, 13961580, 16753896, 20942370, 25130844, 27923160, 31413555, 41884740, 50261688, 62827110, 83769480, 125654220, 251308440]

約数ペア:

[(1, 251308440), (2, 125654220), (3, 83769480), (4, 62827110), (5, 50261688), (6, 41884740), (8, 31413555), (9, 27923160), (10, 25130844), (12, 20942370), (15, 16753896), (18, 13961580), (19, 13226760), (20, 12565422), (24, 10471185), (27, 9307720), (30, 8376948), (36, 6980790), (37, 6792120), (38, 6613380), (40, 6282711), (45, 5584632), (54, 4653860), (57, 4408920), (60, 4188474), (72, 3490395), (74, 3396060), (76, 3306690), (90, 2792316), (95, 2645352), (108, 2326930), (111, 2264040), (114, 2204460), (120, 2094237), (135, 1861544), (148, 1698030), (152, 1653345), (171, 1469640), (180, 1396158), (185, 1358424), (190, 1322676), (216, 1163465), (222, 1132020), (228, 1102230), (270, 930772), (285, 881784), (296, 849015), (331, 759240), (333, 754680), (342, 734820), (360, 698079), (370, 679212), (380, 661338), (444, 566010), (456, 551115), (513, 489880), (540, 465386), (555, 452808), (570, 440892), (662, 379620), (666, 377340), (684, 367410), (703, 357480), (740, 339606), (760, 330669), (855, 293928), (888, 283005), (993, 253080), (999, 251560), (1026, 244940), (1080, 232693), (1110, 226404), (1140, 220446), (1324, 189810), (1332, 188670), (1368, 183705), (1406, 178740), (1480, 169803), (1655, 151848), (1665, 150936), (1710, 146964), (1986, 126540), (1998, 125780), (2052, 122470), (2109, 119160), (2220, 113202), (2280, 110223), (2565, 97976), (2648, 94905), (2664, 94335), (2812, 89370), (2979, 84360), (3310, 75924), (3330, 75468), (3420, 73482), (3515, 71496), (3972, 63270), (3996, 62890), (4104, 61235), (4218, 59580), (4440, 56601), (4965, 50616), (4995, 50312), (5130, 48988), (5624, 44685), (5958, 42180), (6289, 39960), (6327, 39720), (6620, 37962), (6660, 37734), (6840, 36741), (7030, 35748), (7944, 31635), (7992, 31445), (8436, 29790), (8937, 28120), (9930, 25308), (9990, 25156), (10260, 24494), (10545, 23832), (11916, 21090), (12247, 20520), (12578, 19980), (12654, 19860), (13240, 18981), (13320, 18867), (14060, 17874), (14895, 16872)]