67720180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 173093760

約数和(自身を除く): 105373580

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 646, 748, 836, 935, 953, 1045, 1292, 1615, 1870, 1906, 2090, 3230, 3553, 3740, 3812, 4180, 4765, 6460, 7106, 9530, 10483, 14212, 16201, 17765, 18107, 19060, 20966, 32402, 35530, 36214, 41932, 52415, 64804, 71060, 72428, 81005, 90535, 104830, 162010, 178211, 181070, 199177, 209660, 307819, 324020, 356422, 362140, 398354, 615638, 712844, 796708, 891055, 995885, 1231276, 1539095, 1782110, 1991770, 3078190, 3386009, 3564220, 3983540, 6156380, 6772018, 13544036, 16930045, 33860090, 67720180]

約数ペア:

[(1, 67720180), (2, 33860090), (4, 16930045), (5, 13544036), (10, 6772018), (11, 6156380), (17, 3983540), (19, 3564220), (20, 3386009), (22, 3078190), (34, 1991770), (38, 1782110), (44, 1539095), (55, 1231276), (68, 995885), (76, 891055), (85, 796708), (95, 712844), (110, 615638), (170, 398354), (187, 362140), (190, 356422), (209, 324020), (220, 307819), (323, 209660), (340, 199177), (374, 181070), (380, 178211), (418, 162010), (646, 104830), (748, 90535), (836, 81005), (935, 72428), (953, 71060), (1045, 64804), (1292, 52415), (1615, 41932), (1870, 36214), (1906, 35530), (2090, 32402), (3230, 20966), (3553, 19060), (3740, 18107), (3812, 17765), (4180, 16201), (4765, 14212), (6460, 10483), (7106, 9530)]