64275640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 180169920

約数和(自身を除く): 115894280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 170, 187, 220, 221, 260, 286, 340, 374, 440, 442, 520, 572, 661, 680, 715, 748, 884, 935, 1105, 1144, 1322, 1430, 1496, 1768, 1870, 2210, 2431, 2644, 2860, 3305, 3740, 4420, 4862, 5288, 5720, 6610, 7271, 7480, 8593, 8840, 9724, 11237, 12155, 13220, 14542, 17186, 19448, 22474, 24310, 26440, 29084, 34372, 36355, 42965, 44948, 48620, 56185, 58168, 68744, 72710, 85930, 89896, 94523, 97240, 112370, 123607, 145420, 146081, 171860, 189046, 224740, 247214, 290840, 292162, 343720, 378092, 449480, 472615, 494428, 584324, 618035, 730405, 756184, 945230, 988856, 1168648, 1236070, 1460810, 1606891, 1890460, 2472140, 2921620, 3213782, 3780920, 4944280, 5843240, 6427564, 8034455, 12855128, 16068910, 32137820, 64275640]

約数ペア:

[(1, 64275640), (2, 32137820), (4, 16068910), (5, 12855128), (8, 8034455), (10, 6427564), (11, 5843240), (13, 4944280), (17, 3780920), (20, 3213782), (22, 2921620), (26, 2472140), (34, 1890460), (40, 1606891), (44, 1460810), (52, 1236070), (55, 1168648), (65, 988856), (68, 945230), (85, 756184), (88, 730405), (104, 618035), (110, 584324), (130, 494428), (136, 472615), (143, 449480), (170, 378092), (187, 343720), (220, 292162), (221, 290840), (260, 247214), (286, 224740), (340, 189046), (374, 171860), (440, 146081), (442, 145420), (520, 123607), (572, 112370), (661, 97240), (680, 94523), (715, 89896), (748, 85930), (884, 72710), (935, 68744), (1105, 58168), (1144, 56185), (1322, 48620), (1430, 44948), (1496, 42965), (1768, 36355), (1870, 34372), (2210, 29084), (2431, 26440), (2644, 24310), (2860, 22474), (3305, 19448), (3740, 17186), (4420, 14542), (4862, 13220), (5288, 12155), (5720, 11237), (6610, 9724), (7271, 8840), (7480, 8593)]