64166320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 159489792

約数和(自身を除く): 95323472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 811, 860, 920, 989, 1622, 1720, 1840, 1978, 3244, 3440, 3956, 4055, 4945, 6488, 7912, 8110, 9890, 12976, 15824, 16220, 18653, 19780, 32440, 34873, 37306, 39560, 64880, 69746, 74612, 79120, 93265, 139492, 149224, 174365, 186530, 278984, 298448, 348730, 373060, 557968, 697460, 746120, 802079, 1394920, 1492240, 1604158, 2789840, 3208316, 4010395, 6416632, 8020790, 12833264, 16041580, 32083160, 64166320]

約数ペア:

[(1, 64166320), (2, 32083160), (4, 16041580), (5, 12833264), (8, 8020790), (10, 6416632), (16, 4010395), (20, 3208316), (23, 2789840), (40, 1604158), (43, 1492240), (46, 1394920), (80, 802079), (86, 746120), (92, 697460), (115, 557968), (172, 373060), (184, 348730), (215, 298448), (230, 278984), (344, 186530), (368, 174365), (430, 149224), (460, 139492), (688, 93265), (811, 79120), (860, 74612), (920, 69746), (989, 64880), (1622, 39560), (1720, 37306), (1840, 34873), (1978, 32440), (3244, 19780), (3440, 18653), (3956, 16220), (4055, 15824), (4945, 12976), (6488, 9890), (7912, 8110)]