320781240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68543}}^1$

素因数の和:68573

約数の個数: 96

約数和(自身を含む): 1122750720

約数和(自身を除く): 801969480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 68543, 137086, 205629, 274172, 342715, 411258, 548344, 616887, 685430, 822516, 891059, 1028145, 1233774, 1370860, 1645032, 1782118, 2056290, 2467548, 2673177, 2741720, 3084435, 3564236, 4112580, 4455295, 4935096, 5346354, 6168870, 7128472, 8019531, 8225160, 8910590, 10692708, 12337740, 13365885, 16039062, 17821180, 21385416, 24675480, 26731770, 32078124, 35642360, 40097655, 53463540, 64156248, 80195310, 106927080, 160390620, 320781240]

約数ペア:

[(1, 320781240), (2, 160390620), (3, 106927080), (4, 80195310), (5, 64156248), (6, 53463540), (8, 40097655), (9, 35642360), (10, 32078124), (12, 26731770), (13, 24675480), (15, 21385416), (18, 17821180), (20, 16039062), (24, 13365885), (26, 12337740), (30, 10692708), (36, 8910590), (39, 8225160), (40, 8019531), (45, 7128472), (52, 6168870), (60, 5346354), (65, 4935096), (72, 4455295), (78, 4112580), (90, 3564236), (104, 3084435), (117, 2741720), (120, 2673177), (130, 2467548), (156, 2056290), (180, 1782118), (195, 1645032), (234, 1370860), (260, 1233774), (312, 1028145), (360, 891059), (390, 822516), (468, 685430), (520, 616887), (585, 548344), (780, 411258), (936, 342715), (1170, 274172), (1560, 205629), (2340, 137086), (4680, 68543)]