260705360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 633709440

約数和(自身を除く): 373004080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 103, 116, 145, 206, 232, 290, 412, 464, 515, 580, 824, 1030, 1091, 1160, 1648, 2060, 2182, 2320, 2987, 4120, 4364, 5455, 5974, 8240, 8728, 10910, 11948, 14935, 17456, 21820, 23896, 29870, 31639, 43640, 47792, 59740, 63278, 87280, 112373, 119480, 126556, 158195, 224746, 238960, 253112, 316390, 449492, 506224, 561865, 632780, 898984, 1123730, 1265560, 1797968, 2247460, 2531120, 3258817, 4494920, 6517634, 8989840, 13035268, 16294085, 26070536, 32588170, 52141072, 65176340, 130352680, 260705360]

約数ペア:

[(1, 260705360), (2, 130352680), (4, 65176340), (5, 52141072), (8, 32588170), (10, 26070536), (16, 16294085), (20, 13035268), (29, 8989840), (40, 6517634), (58, 4494920), (80, 3258817), (103, 2531120), (116, 2247460), (145, 1797968), (206, 1265560), (232, 1123730), (290, 898984), (412, 632780), (464, 561865), (515, 506224), (580, 449492), (824, 316390), (1030, 253112), (1091, 238960), (1160, 224746), (1648, 158195), (2060, 126556), (2182, 119480), (2320, 112373), (2987, 87280), (4120, 63278), (4364, 59740), (5455, 47792), (5974, 43640), (8240, 31639), (8728, 29870), (10910, 23896), (11948, 21820), (14935, 17456)]