72178600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 202487040

約数和(自身を除く): 130308440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 25, 26, 34, 40, 46, 50, 52, 65, 68, 71, 85, 92, 100, 104, 115, 130, 136, 142, 170, 184, 200, 221, 230, 260, 284, 299, 325, 340, 355, 391, 425, 442, 460, 520, 568, 575, 598, 650, 680, 710, 782, 850, 884, 920, 923, 1105, 1150, 1196, 1207, 1300, 1420, 1495, 1564, 1633, 1700, 1768, 1775, 1846, 1955, 2210, 2300, 2392, 2414, 2600, 2840, 2990, 3128, 3266, 3400, 3550, 3692, 3910, 4420, 4600, 4615, 4828, 5083, 5525, 5980, 6035, 6532, 7100, 7384, 7475, 7820, 8165, 8840, 9230, 9656, 9775, 10166, 11050, 11960, 12070, 13064, 14200, 14950, 15640, 15691, 16330, 18460, 19550, 20332, 21229, 22100, 23075, 24140, 25415, 27761, 29900, 30175, 31382, 32660, 36920, 39100, 40664, 40825, 42458, 44200, 46150, 48280, 50830, 55522, 59800, 60350, 62764, 65320, 78200, 78455, 81650, 84916, 92300, 101660, 106145, 111044, 120700, 125528, 127075, 138805, 156910, 163300, 169832, 184600, 203320, 212290, 222088, 241400, 254150, 277610, 313820, 326600, 360893, 392275, 424580, 508300, 530725, 555220, 627640, 694025, 721786, 784550, 849160, 1016600, 1061450, 1110440, 1388050, 1443572, 1569100, 1804465, 2122900, 2776100, 2887144, 3138200, 3608930, 4245800, 5552200, 7217860, 9022325, 14435720, 18044650, 36089300, 72178600]

約数ペア:

[(1, 72178600), (2, 36089300), (4, 18044650), (5, 14435720), (8, 9022325), (10, 7217860), (13, 5552200), (17, 4245800), (20, 3608930), (23, 3138200), (25, 2887144), (26, 2776100), (34, 2122900), (40, 1804465), (46, 1569100), (50, 1443572), (52, 1388050), (65, 1110440), (68, 1061450), (71, 1016600), (85, 849160), (92, 784550), (100, 721786), (104, 694025), (115, 627640), (130, 555220), (136, 530725), (142, 508300), (170, 424580), (184, 392275), (200, 360893), (221, 326600), (230, 313820), (260, 277610), (284, 254150), (299, 241400), (325, 222088), (340, 212290), (355, 203320), (391, 184600), (425, 169832), (442, 163300), (460, 156910), (520, 138805), (568, 127075), (575, 125528), (598, 120700), (650, 111044), (680, 106145), (710, 101660), (782, 92300), (850, 84916), (884, 81650), (920, 78455), (923, 78200), (1105, 65320), (1150, 62764), (1196, 60350), (1207, 59800), (1300, 55522), (1420, 50830), (1495, 48280), (1564, 46150), (1633, 44200), (1700, 42458), (1768, 40825), (1775, 40664), (1846, 39100), (1955, 36920), (2210, 32660), (2300, 31382), (2392, 30175), (2414, 29900), (2600, 27761), (2840, 25415), (2990, 24140), (3128, 23075), (3266, 22100), (3400, 21229), (3550, 20332), (3692, 19550), (3910, 18460), (4420, 16330), (4600, 15691), (4615, 15640), (4828, 14950), (5083, 14200), (5525, 13064), (5980, 12070), (6035, 11960), (6532, 11050), (7100, 10166), (7384, 9775), (7475, 9656), (7820, 9230), (8165, 8840)]