71760040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5314

約数の個数: 64

約数和(自身を含む): 181854720

約数和(自身を除く): 110094680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5261, 6820, 10522, 13640, 21044, 26305, 42088, 52610, 57871, 105220, 115742, 163091, 210440, 231484, 289355, 326182, 462968, 578710, 652364, 815455, 1157420, 1304728, 1630910, 1794001, 2314840, 3261820, 3588002, 6523640, 7176004, 8970005, 14352008, 17940010, 35880020, 71760040]

約数ペア:

[(1, 71760040), (2, 35880020), (4, 17940010), (5, 14352008), (8, 8970005), (10, 7176004), (11, 6523640), (20, 3588002), (22, 3261820), (31, 2314840), (40, 1794001), (44, 1630910), (55, 1304728), (62, 1157420), (88, 815455), (110, 652364), (124, 578710), (155, 462968), (220, 326182), (248, 289355), (310, 231484), (341, 210440), (440, 163091), (620, 115742), (682, 105220), (1240, 57871), (1364, 52610), (1705, 42088), (2728, 26305), (3410, 21044), (5261, 13640), (6820, 10522)]