85597720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 229703040

約数和(自身を除く): 144105320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 391, 421, 442, 460, 520, 598, 680, 782, 842, 884, 920, 1105, 1196, 1495, 1564, 1684, 1768, 1955, 2105, 2210, 2392, 2990, 3128, 3368, 3910, 4210, 4420, 5083, 5473, 5980, 7157, 7820, 8420, 8840, 9683, 10166, 10946, 11960, 14314, 15640, 16840, 19366, 20332, 21892, 25415, 27365, 28628, 35785, 38732, 40664, 43784, 48415, 50830, 54730, 57256, 71570, 77464, 93041, 96830, 101660, 109460, 125879, 143140, 164611, 186082, 193660, 203320, 218920, 251758, 286280, 329222, 372164, 387320, 465205, 503516, 629395, 658444, 744328, 823055, 930410, 1007032, 1258790, 1316888, 1646110, 1860820, 2139943, 2517580, 3292220, 3721640, 4279886, 5035160, 6584440, 8559772, 10699715, 17119544, 21399430, 42798860, 85597720]

約数ペア:

[(1, 85597720), (2, 42798860), (4, 21399430), (5, 17119544), (8, 10699715), (10, 8559772), (13, 6584440), (17, 5035160), (20, 4279886), (23, 3721640), (26, 3292220), (34, 2517580), (40, 2139943), (46, 1860820), (52, 1646110), (65, 1316888), (68, 1258790), (85, 1007032), (92, 930410), (104, 823055), (115, 744328), (130, 658444), (136, 629395), (170, 503516), (184, 465205), (221, 387320), (230, 372164), (260, 329222), (299, 286280), (340, 251758), (391, 218920), (421, 203320), (442, 193660), (460, 186082), (520, 164611), (598, 143140), (680, 125879), (782, 109460), (842, 101660), (884, 96830), (920, 93041), (1105, 77464), (1196, 71570), (1495, 57256), (1564, 54730), (1684, 50830), (1768, 48415), (1955, 43784), (2105, 40664), (2210, 38732), (2392, 35785), (2990, 28628), (3128, 27365), (3368, 25415), (3910, 21892), (4210, 20332), (4420, 19366), (5083, 16840), (5473, 15640), (5980, 14314), (7157, 11960), (7820, 10946), (8420, 10166), (8840, 9683)]