71821620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{787}}^1$

素因数の和:831

約数の個数: 144

約数和(自身を含む): 242262720

約数和(自身を除く): 170441100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 787, 845, 1014, 1170, 1404, 1521, 1574, 1690, 1755, 2028, 2340, 2361, 2535, 3042, 3148, 3380, 3510, 3935, 4563, 4722, 5070, 6084, 7020, 7083, 7605, 7870, 9126, 9444, 10140, 10231, 11805, 14166, 15210, 15740, 18252, 20462, 21249, 22815, 23610, 28332, 30420, 30693, 35415, 40924, 42498, 45630, 47220, 51155, 61386, 70830, 84996, 91260, 92079, 102310, 106245, 122772, 133003, 141660, 153465, 184158, 204620, 212490, 266006, 276237, 306930, 368316, 399009, 424980, 460395, 532012, 552474, 613860, 665015, 798018, 920790, 1104948, 1197027, 1330030, 1381185, 1596036, 1841580, 1995045, 2394054, 2660060, 2762370, 3591081, 3990090, 4788108, 5524740, 5985135, 7182162, 7980180, 11970270, 14364324, 17955405, 23940540, 35910810, 71821620]

約数ペア:

[(1, 71821620), (2, 35910810), (3, 23940540), (4, 17955405), (5, 14364324), (6, 11970270), (9, 7980180), (10, 7182162), (12, 5985135), (13, 5524740), (15, 4788108), (18, 3990090), (20, 3591081), (26, 2762370), (27, 2660060), (30, 2394054), (36, 1995045), (39, 1841580), (45, 1596036), (52, 1381185), (54, 1330030), (60, 1197027), (65, 1104948), (78, 920790), (90, 798018), (108, 665015), (117, 613860), (130, 552474), (135, 532012), (156, 460395), (169, 424980), (180, 399009), (195, 368316), (234, 306930), (260, 276237), (270, 266006), (338, 212490), (351, 204620), (390, 184158), (468, 153465), (507, 141660), (540, 133003), (585, 122772), (676, 106245), (702, 102310), (780, 92079), (787, 91260), (845, 84996), (1014, 70830), (1170, 61386), (1404, 51155), (1521, 47220), (1574, 45630), (1690, 42498), (1755, 40924), (2028, 35415), (2340, 30693), (2361, 30420), (2535, 28332), (3042, 23610), (3148, 22815), (3380, 21249), (3510, 20462), (3935, 18252), (4563, 15740), (4722, 15210), (5070, 14166), (6084, 11805), (7020, 10231), (7083, 10140), (7605, 9444), (7870, 9126)]