261040500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{8287}}^1$

素因数の和:8319

約数の個数: 144

約数和(自身を含む): 941251584

約数和(自身を除く): 680211084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1050, 1125, 1260, 1500, 1575, 1750, 2100, 2250, 2625, 3150, 3500, 4500, 5250, 6300, 7875, 8287, 10500, 15750, 16574, 24861, 31500, 33148, 41435, 49722, 58009, 74583, 82870, 99444, 116018, 124305, 149166, 165740, 174027, 207175, 232036, 248610, 290045, 298332, 348054, 372915, 414350, 497220, 522081, 580090, 621525, 696108, 745830, 828700, 870135, 1035875, 1044162, 1160180, 1243050, 1450225, 1491660, 1740270, 1864575, 2071750, 2088324, 2486100, 2610405, 2900450, 3107625, 3480540, 3729150, 4143500, 4350675, 5220810, 5800900, 6215250, 7251125, 7458300, 8701350, 9322875, 10441620, 12430500, 13052025, 14502250, 17402700, 18645750, 21753375, 26104050, 29004500, 37291500, 43506750, 52208100, 65260125, 87013500, 130520250, 261040500]

約数ペア:

[(1, 261040500), (2, 130520250), (3, 87013500), (4, 65260125), (5, 52208100), (6, 43506750), (7, 37291500), (9, 29004500), (10, 26104050), (12, 21753375), (14, 18645750), (15, 17402700), (18, 14502250), (20, 13052025), (21, 12430500), (25, 10441620), (28, 9322875), (30, 8701350), (35, 7458300), (36, 7251125), (42, 6215250), (45, 5800900), (50, 5220810), (60, 4350675), (63, 4143500), (70, 3729150), (75, 3480540), (84, 3107625), (90, 2900450), (100, 2610405), (105, 2486100), (125, 2088324), (126, 2071750), (140, 1864575), (150, 1740270), (175, 1491660), (180, 1450225), (210, 1243050), (225, 1160180), (250, 1044162), (252, 1035875), (300, 870135), (315, 828700), (350, 745830), (375, 696108), (420, 621525), (450, 580090), (500, 522081), (525, 497220), (630, 414350), (700, 372915), (750, 348054), (875, 298332), (900, 290045), (1050, 248610), (1125, 232036), (1260, 207175), (1500, 174027), (1575, 165740), (1750, 149166), (2100, 124305), (2250, 116018), (2625, 99444), (3150, 82870), (3500, 74583), (4500, 58009), (5250, 49722), (6300, 41435), (7875, 33148), (8287, 31500), (10500, 24861), (15750, 16574)]