177504080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 471085920

約数和(自身を除く): 293581840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 169, 190, 208, 247, 260, 304, 338, 380, 494, 520, 676, 691, 760, 845, 988, 1040, 1235, 1352, 1382, 1520, 1690, 1976, 2470, 2704, 2764, 3211, 3380, 3455, 3952, 4940, 5528, 6422, 6760, 6910, 8983, 9880, 11056, 12844, 13129, 13520, 13820, 16055, 17966, 19760, 25688, 26258, 27640, 32110, 35932, 44915, 51376, 52516, 55280, 64220, 65645, 71864, 89830, 105032, 116779, 128440, 131290, 143728, 170677, 179660, 210064, 233558, 256880, 262580, 341354, 359320, 467116, 525160, 583895, 682708, 718640, 853385, 934232, 1050320, 1167790, 1365416, 1706770, 1868464, 2218801, 2335580, 2730832, 3413540, 4437602, 4671160, 6827080, 8875204, 9342320, 11094005, 13654160, 17750408, 22188010, 35500816, 44376020, 88752040, 177504080]

約数ペア:

[(1, 177504080), (2, 88752040), (4, 44376020), (5, 35500816), (8, 22188010), (10, 17750408), (13, 13654160), (16, 11094005), (19, 9342320), (20, 8875204), (26, 6827080), (38, 4671160), (40, 4437602), (52, 3413540), (65, 2730832), (76, 2335580), (80, 2218801), (95, 1868464), (104, 1706770), (130, 1365416), (152, 1167790), (169, 1050320), (190, 934232), (208, 853385), (247, 718640), (260, 682708), (304, 583895), (338, 525160), (380, 467116), (494, 359320), (520, 341354), (676, 262580), (691, 256880), (760, 233558), (845, 210064), (988, 179660), (1040, 170677), (1235, 143728), (1352, 131290), (1382, 128440), (1520, 116779), (1690, 105032), (1976, 89830), (2470, 71864), (2704, 65645), (2764, 64220), (3211, 55280), (3380, 52516), (3455, 51376), (3952, 44915), (4940, 35932), (5528, 32110), (6422, 27640), (6760, 26258), (6910, 25688), (8983, 19760), (9880, 17966), (11056, 16055), (12844, 13820), (13129, 13520)]