251284140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:949

約数の個数: 192

約数和(自身を含む): 855429120

約数和(自身を除く): 604144980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 612, 620, 765, 837, 883, 918, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1674, 1766, 1836, 1860, 2108, 2295, 2635, 2649, 2790, 3060, 3162, 3348, 3532, 4185, 4415, 4590, 4743, 5270, 5298, 5580, 6324, 7905, 7947, 8370, 8830, 9180, 9486, 10540, 10596, 13245, 14229, 15011, 15810, 15894, 16740, 17660, 18972, 23715, 23841, 26490, 27373, 28458, 30022, 31620, 31788, 39735, 45033, 47430, 47682, 52980, 54746, 56916, 60044, 71145, 75055, 79470, 82119, 90066, 94860, 95364, 109492, 119205, 135099, 136865, 142290, 150110, 158940, 164238, 180132, 225165, 238410, 246357, 270198, 273730, 284580, 300220, 328476, 405297, 410595, 450330, 465341, 476820, 492714, 540396, 547460, 675495, 739071, 810594, 821190, 900660, 930682, 985428, 1231785, 1350990, 1396023, 1478142, 1621188, 1642380, 1861364, 2026485, 2326705, 2463570, 2701980, 2792046, 2956284, 3695355, 4052970, 4188069, 4653410, 4927140, 5584092, 6980115, 7390710, 8105940, 8376138, 9306820, 12564207, 13960230, 14781420, 16752276, 20940345, 25128414, 27920460, 41880690, 50256828, 62821035, 83761380, 125642070, 251284140]

約数ペア:

[(1, 251284140), (2, 125642070), (3, 83761380), (4, 62821035), (5, 50256828), (6, 41880690), (9, 27920460), (10, 25128414), (12, 20940345), (15, 16752276), (17, 14781420), (18, 13960230), (20, 12564207), (27, 9306820), (30, 8376138), (31, 8105940), (34, 7390710), (36, 6980115), (45, 5584092), (51, 4927140), (54, 4653410), (60, 4188069), (62, 4052970), (68, 3695355), (85, 2956284), (90, 2792046), (93, 2701980), (102, 2463570), (108, 2326705), (124, 2026485), (135, 1861364), (153, 1642380), (155, 1621188), (170, 1478142), (180, 1396023), (186, 1350990), (204, 1231785), (255, 985428), (270, 930682), (279, 900660), (306, 821190), (310, 810594), (340, 739071), (372, 675495), (459, 547460), (465, 540396), (510, 492714), (527, 476820), (540, 465341), (558, 450330), (612, 410595), (620, 405297), (765, 328476), (837, 300220), (883, 284580), (918, 273730), (930, 270198), (1020, 246357), (1054, 238410), (1116, 225165), (1395, 180132), (1530, 164238), (1581, 158940), (1674, 150110), (1766, 142290), (1836, 136865), (1860, 135099), (2108, 119205), (2295, 109492), (2635, 95364), (2649, 94860), (2790, 90066), (3060, 82119), (3162, 79470), (3348, 75055), (3532, 71145), (4185, 60044), (4415, 56916), (4590, 54746), (4743, 52980), (5270, 47682), (5298, 47430), (5580, 45033), (6324, 39735), (7905, 31788), (7947, 31620), (8370, 30022), (8830, 28458), (9180, 27373), (9486, 26490), (10540, 23841), (10596, 23715), (13245, 18972), (14229, 17660), (15011, 16740), (15810, 15894)]