128859320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 314318880

約数和(自身を除く): 185459560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 157, 170, 284, 289, 314, 340, 355, 568, 578, 628, 680, 710, 785, 1156, 1207, 1256, 1420, 1445, 1570, 2312, 2414, 2669, 2840, 2890, 3140, 4828, 5338, 5780, 6035, 6280, 9656, 10676, 11147, 11560, 12070, 13345, 20519, 21352, 22294, 24140, 26690, 41038, 44588, 45373, 48280, 53380, 55735, 82076, 89176, 90746, 102595, 106760, 111470, 164152, 181492, 189499, 205190, 222940, 226865, 362984, 378998, 410380, 445880, 453730, 757996, 820760, 907460, 947495, 1515992, 1814920, 1894990, 3221483, 3789980, 6442966, 7579960, 12885932, 16107415, 25771864, 32214830, 64429660, 128859320]

約数ペア:

[(1, 128859320), (2, 64429660), (4, 32214830), (5, 25771864), (8, 16107415), (10, 12885932), (17, 7579960), (20, 6442966), (34, 3789980), (40, 3221483), (68, 1894990), (71, 1814920), (85, 1515992), (136, 947495), (142, 907460), (157, 820760), (170, 757996), (284, 453730), (289, 445880), (314, 410380), (340, 378998), (355, 362984), (568, 226865), (578, 222940), (628, 205190), (680, 189499), (710, 181492), (785, 164152), (1156, 111470), (1207, 106760), (1256, 102595), (1420, 90746), (1445, 89176), (1570, 82076), (2312, 55735), (2414, 53380), (2669, 48280), (2840, 45373), (2890, 44588), (3140, 41038), (4828, 26690), (5338, 24140), (5780, 22294), (6035, 21352), (6280, 20519), (9656, 13345), (10676, 12070), (11147, 11560)]