78655600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 205500240

約数和(自身を除く): 126844640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 43, 50, 68, 80, 85, 86, 100, 136, 170, 172, 200, 215, 269, 272, 340, 344, 400, 425, 430, 538, 680, 688, 731, 850, 860, 1075, 1076, 1345, 1360, 1462, 1700, 1720, 2150, 2152, 2690, 2924, 3400, 3440, 3655, 4300, 4304, 4573, 5380, 5848, 6725, 6800, 7310, 8600, 9146, 10760, 11567, 11696, 13450, 14620, 17200, 18275, 18292, 21520, 22865, 23134, 26900, 29240, 36550, 36584, 45730, 46268, 53800, 57835, 58480, 73100, 73168, 91460, 92536, 107600, 114325, 115670, 146200, 182920, 185072, 196639, 228650, 231340, 289175, 292400, 365840, 393278, 457300, 462680, 578350, 786556, 914600, 925360, 983195, 1156700, 1573112, 1829200, 1966390, 2313400, 3146224, 3932780, 4626800, 4915975, 7865560, 9831950, 15731120, 19663900, 39327800, 78655600]

約数ペア:

[(1, 78655600), (2, 39327800), (4, 19663900), (5, 15731120), (8, 9831950), (10, 7865560), (16, 4915975), (17, 4626800), (20, 3932780), (25, 3146224), (34, 2313400), (40, 1966390), (43, 1829200), (50, 1573112), (68, 1156700), (80, 983195), (85, 925360), (86, 914600), (100, 786556), (136, 578350), (170, 462680), (172, 457300), (200, 393278), (215, 365840), (269, 292400), (272, 289175), (340, 231340), (344, 228650), (400, 196639), (425, 185072), (430, 182920), (538, 146200), (680, 115670), (688, 114325), (731, 107600), (850, 92536), (860, 91460), (1075, 73168), (1076, 73100), (1345, 58480), (1360, 57835), (1462, 53800), (1700, 46268), (1720, 45730), (2150, 36584), (2152, 36550), (2690, 29240), (2924, 26900), (3400, 23134), (3440, 22865), (3655, 21520), (4300, 18292), (4304, 18275), (4573, 17200), (5380, 14620), (5848, 13450), (6725, 11696), (6800, 11567), (7310, 10760), (8600, 9146)]