70640440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 185613120

約数和(自身を除く): 114972680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 61, 65, 68, 85, 104, 122, 130, 131, 136, 170, 221, 244, 260, 262, 305, 340, 442, 488, 520, 524, 610, 655, 680, 793, 884, 1037, 1048, 1105, 1220, 1310, 1586, 1703, 1768, 2074, 2210, 2227, 2440, 2620, 3172, 3406, 3965, 4148, 4420, 4454, 5185, 5240, 6344, 6812, 7930, 7991, 8296, 8515, 8840, 8908, 10370, 11135, 13481, 13624, 15860, 15982, 17030, 17816, 20740, 22270, 26962, 28951, 31720, 31964, 34060, 39955, 41480, 44540, 53924, 57902, 63928, 67405, 68120, 79910, 89080, 103883, 107848, 115804, 134810, 135847, 144755, 159820, 207766, 231608, 269620, 271694, 289510, 319640, 415532, 519415, 539240, 543388, 579020, 679235, 831064, 1038830, 1086776, 1158040, 1358470, 1766011, 2077660, 2716940, 3532022, 4155320, 5433880, 7064044, 8830055, 14128088, 17660110, 35320220, 70640440]

約数ペア:

[(1, 70640440), (2, 35320220), (4, 17660110), (5, 14128088), (8, 8830055), (10, 7064044), (13, 5433880), (17, 4155320), (20, 3532022), (26, 2716940), (34, 2077660), (40, 1766011), (52, 1358470), (61, 1158040), (65, 1086776), (68, 1038830), (85, 831064), (104, 679235), (122, 579020), (130, 543388), (131, 539240), (136, 519415), (170, 415532), (221, 319640), (244, 289510), (260, 271694), (262, 269620), (305, 231608), (340, 207766), (442, 159820), (488, 144755), (520, 135847), (524, 134810), (610, 115804), (655, 107848), (680, 103883), (793, 89080), (884, 79910), (1037, 68120), (1048, 67405), (1105, 63928), (1220, 57902), (1310, 53924), (1586, 44540), (1703, 41480), (1768, 39955), (2074, 34060), (2210, 31964), (2227, 31720), (2440, 28951), (2620, 26962), (3172, 22270), (3406, 20740), (3965, 17816), (4148, 17030), (4420, 15982), (4454, 15860), (5185, 13624), (5240, 13481), (6344, 11135), (6812, 10370), (7930, 8908), (7991, 8840), (8296, 8515)]