220865320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 569721600

約数和(自身を除く): 348856280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 59, 65, 92, 104, 115, 118, 130, 184, 230, 236, 260, 295, 299, 313, 460, 472, 520, 590, 598, 626, 767, 920, 1180, 1196, 1252, 1357, 1495, 1534, 1565, 2360, 2392, 2504, 2714, 2990, 3068, 3130, 3835, 4069, 5428, 5980, 6136, 6260, 6785, 7199, 7670, 8138, 10856, 11960, 12520, 13570, 14398, 15340, 16276, 17641, 18467, 20345, 27140, 28796, 30680, 32552, 35282, 35995, 36934, 40690, 54280, 57592, 70564, 71990, 73868, 81380, 88205, 92335, 93587, 141128, 143980, 147736, 162760, 176410, 184670, 187174, 240071, 287960, 352820, 369340, 374348, 424741, 467935, 480142, 705640, 738680, 748696, 849482, 935870, 960284, 1200355, 1698964, 1871740, 1920568, 2123705, 2400710, 3397928, 3743480, 4247410, 4801420, 5521633, 8494820, 9602840, 11043266, 16989640, 22086532, 27608165, 44173064, 55216330, 110432660, 220865320]

約数ペア:

[(1, 220865320), (2, 110432660), (4, 55216330), (5, 44173064), (8, 27608165), (10, 22086532), (13, 16989640), (20, 11043266), (23, 9602840), (26, 8494820), (40, 5521633), (46, 4801420), (52, 4247410), (59, 3743480), (65, 3397928), (92, 2400710), (104, 2123705), (115, 1920568), (118, 1871740), (130, 1698964), (184, 1200355), (230, 960284), (236, 935870), (260, 849482), (295, 748696), (299, 738680), (313, 705640), (460, 480142), (472, 467935), (520, 424741), (590, 374348), (598, 369340), (626, 352820), (767, 287960), (920, 240071), (1180, 187174), (1196, 184670), (1252, 176410), (1357, 162760), (1495, 147736), (1534, 143980), (1565, 141128), (2360, 93587), (2392, 92335), (2504, 88205), (2714, 81380), (2990, 73868), (3068, 71990), (3130, 70564), (3835, 57592), (4069, 54280), (5428, 40690), (5980, 36934), (6136, 35995), (6260, 35282), (6785, 32552), (7199, 30680), (7670, 28796), (8138, 27140), (10856, 20345), (11960, 18467), (12520, 17641), (13570, 16276), (14398, 15340)]