66421680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 226027200

約数和(自身を除く): 159605520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 349, 366, 390, 488, 520, 610, 624, 698, 732, 780, 793, 915, 976, 1040, 1047, 1220, 1396, 1464, 1560, 1586, 1745, 1830, 2094, 2379, 2440, 2792, 2928, 3120, 3172, 3490, 3660, 3965, 4188, 4537, 4758, 4880, 5235, 5584, 6344, 6980, 7320, 7930, 8376, 9074, 9516, 10470, 11895, 12688, 13611, 13960, 14640, 15860, 16752, 18148, 19032, 20940, 21289, 22685, 23790, 27222, 27920, 31720, 36296, 38064, 41880, 42578, 45370, 47580, 54444, 63440, 63867, 68055, 72592, 83760, 85156, 90740, 95160, 106445, 108888, 127734, 136110, 170312, 181480, 190320, 212890, 217776, 255468, 272220, 276757, 319335, 340624, 362960, 425780, 510936, 544440, 553514, 638670, 830271, 851560, 1021872, 1088880, 1107028, 1277340, 1383785, 1660542, 1703120, 2214056, 2554680, 2767570, 3321084, 4151355, 4428112, 5109360, 5535140, 6642168, 8302710, 11070280, 13284336, 16605420, 22140560, 33210840, 66421680]

約数ペア:

[(1, 66421680), (2, 33210840), (3, 22140560), (4, 16605420), (5, 13284336), (6, 11070280), (8, 8302710), (10, 6642168), (12, 5535140), (13, 5109360), (15, 4428112), (16, 4151355), (20, 3321084), (24, 2767570), (26, 2554680), (30, 2214056), (39, 1703120), (40, 1660542), (48, 1383785), (52, 1277340), (60, 1107028), (61, 1088880), (65, 1021872), (78, 851560), (80, 830271), (104, 638670), (120, 553514), (122, 544440), (130, 510936), (156, 425780), (183, 362960), (195, 340624), (208, 319335), (240, 276757), (244, 272220), (260, 255468), (305, 217776), (312, 212890), (349, 190320), (366, 181480), (390, 170312), (488, 136110), (520, 127734), (610, 108888), (624, 106445), (698, 95160), (732, 90740), (780, 85156), (793, 83760), (915, 72592), (976, 68055), (1040, 63867), (1047, 63440), (1220, 54444), (1396, 47580), (1464, 45370), (1560, 42578), (1586, 41880), (1745, 38064), (1830, 36296), (2094, 31720), (2379, 27920), (2440, 27222), (2792, 23790), (2928, 22685), (3120, 21289), (3172, 20940), (3490, 19032), (3660, 18148), (3965, 16752), (4188, 15860), (4537, 14640), (4758, 13960), (4880, 13611), (5235, 12688), (5584, 11895), (6344, 10470), (6980, 9516), (7320, 9074), (7930, 8376)]