78528840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 257644800

約数和(自身を除く): 179115960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 709, 710, 780, 852, 923, 1065, 1418, 1420, 1560, 1704, 1846, 2127, 2130, 2769, 2836, 2840, 3545, 3692, 4254, 4260, 4615, 5538, 5672, 7090, 7384, 8508, 8520, 9217, 9230, 10635, 11076, 13845, 14180, 17016, 18434, 18460, 21270, 22152, 27651, 27690, 28360, 36868, 36920, 42540, 46085, 50339, 55302, 55380, 73736, 85080, 92170, 100678, 110604, 110760, 138255, 151017, 184340, 201356, 221208, 251695, 276510, 302034, 368680, 402712, 503390, 553020, 604068, 654407, 755085, 1006780, 1106040, 1208136, 1308814, 1510170, 1963221, 2013560, 2617628, 3020340, 3272035, 3926442, 5235256, 6040680, 6544070, 7852884, 9816105, 13088140, 15705768, 19632210, 26176280, 39264420, 78528840]

約数ペア:

[(1, 78528840), (2, 39264420), (3, 26176280), (4, 19632210), (5, 15705768), (6, 13088140), (8, 9816105), (10, 7852884), (12, 6544070), (13, 6040680), (15, 5235256), (20, 3926442), (24, 3272035), (26, 3020340), (30, 2617628), (39, 2013560), (40, 1963221), (52, 1510170), (60, 1308814), (65, 1208136), (71, 1106040), (78, 1006780), (104, 755085), (120, 654407), (130, 604068), (142, 553020), (156, 503390), (195, 402712), (213, 368680), (260, 302034), (284, 276510), (312, 251695), (355, 221208), (390, 201356), (426, 184340), (520, 151017), (568, 138255), (709, 110760), (710, 110604), (780, 100678), (852, 92170), (923, 85080), (1065, 73736), (1418, 55380), (1420, 55302), (1560, 50339), (1704, 46085), (1846, 42540), (2127, 36920), (2130, 36868), (2769, 28360), (2836, 27690), (2840, 27651), (3545, 22152), (3692, 21270), (4254, 18460), (4260, 18434), (4615, 17016), (5538, 14180), (5672, 13845), (7090, 11076), (7384, 10635), (8508, 9230), (8520, 9217)]