8742760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 23950080

約数和(自身を除く): 15207320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 43, 46, 52, 65, 68, 85, 86, 92, 104, 115, 130, 136, 170, 172, 184, 215, 221, 230, 260, 299, 340, 344, 391, 430, 442, 460, 520, 559, 598, 680, 731, 782, 860, 884, 920, 989, 1105, 1118, 1196, 1462, 1495, 1564, 1720, 1768, 1955, 1978, 2210, 2236, 2392, 2795, 2924, 2990, 3128, 3655, 3910, 3956, 4420, 4472, 4945, 5083, 5590, 5848, 5980, 7310, 7820, 7912, 8840, 9503, 9890, 10166, 11180, 11960, 12857, 14620, 15640, 16813, 19006, 19780, 20332, 22360, 25415, 25714, 29240, 33626, 38012, 39560, 40664, 47515, 50830, 51428, 64285, 67252, 76024, 84065, 95030, 101660, 102856, 128570, 134504, 168130, 190060, 203320, 218569, 257140, 336260, 380120, 437138, 514280, 672520, 874276, 1092845, 1748552, 2185690, 4371380, 8742760]

約数ペア:

[(1, 8742760), (2, 4371380), (4, 2185690), (5, 1748552), (8, 1092845), (10, 874276), (13, 672520), (17, 514280), (20, 437138), (23, 380120), (26, 336260), (34, 257140), (40, 218569), (43, 203320), (46, 190060), (52, 168130), (65, 134504), (68, 128570), (85, 102856), (86, 101660), (92, 95030), (104, 84065), (115, 76024), (130, 67252), (136, 64285), (170, 51428), (172, 50830), (184, 47515), (215, 40664), (221, 39560), (230, 38012), (260, 33626), (299, 29240), (340, 25714), (344, 25415), (391, 22360), (430, 20332), (442, 19780), (460, 19006), (520, 16813), (559, 15640), (598, 14620), (680, 12857), (731, 11960), (782, 11180), (860, 10166), (884, 9890), (920, 9503), (989, 8840), (1105, 7912), (1118, 7820), (1196, 7310), (1462, 5980), (1495, 5848), (1564, 5590), (1720, 5083), (1768, 4945), (1955, 4472), (1978, 4420), (2210, 3956), (2236, 3910), (2392, 3655), (2795, 3128), (2924, 2990)]