261724710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 128

約数和(自身を含む): 711607680

約数和(自身を除く): 449882970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 73, 78, 87, 130, 145, 146, 174, 195, 219, 290, 317, 365, 377, 390, 435, 438, 634, 730, 754, 870, 949, 951, 1095, 1131, 1585, 1885, 1898, 1902, 2117, 2190, 2262, 2847, 3170, 3770, 4121, 4234, 4745, 4755, 5655, 5694, 6351, 8242, 9193, 9490, 9510, 10585, 11310, 12363, 12702, 14235, 18386, 20605, 21170, 23141, 24726, 27521, 27579, 28470, 31755, 41210, 45965, 46282, 55042, 55158, 61815, 63510, 69423, 82563, 91930, 115705, 119509, 123630, 137605, 137895, 138846, 165126, 231410, 239018, 275210, 275790, 300833, 347115, 358527, 412815, 597545, 601666, 671089, 694230, 717054, 825630, 902499, 1195090, 1342178, 1504165, 1792635, 1804998, 2013267, 3008330, 3355445, 3585270, 4026534, 4512495, 6710890, 8724157, 9024990, 10066335, 17448314, 20132670, 26172471, 43620785, 52344942, 87241570, 130862355, 261724710]

約数ペア:

[(1, 261724710), (2, 130862355), (3, 87241570), (5, 52344942), (6, 43620785), (10, 26172471), (13, 20132670), (15, 17448314), (26, 10066335), (29, 9024990), (30, 8724157), (39, 6710890), (58, 4512495), (65, 4026534), (73, 3585270), (78, 3355445), (87, 3008330), (130, 2013267), (145, 1804998), (146, 1792635), (174, 1504165), (195, 1342178), (219, 1195090), (290, 902499), (317, 825630), (365, 717054), (377, 694230), (390, 671089), (435, 601666), (438, 597545), (634, 412815), (730, 358527), (754, 347115), (870, 300833), (949, 275790), (951, 275210), (1095, 239018), (1131, 231410), (1585, 165126), (1885, 138846), (1898, 137895), (1902, 137605), (2117, 123630), (2190, 119509), (2262, 115705), (2847, 91930), (3170, 82563), (3770, 69423), (4121, 63510), (4234, 61815), (4745, 55158), (4755, 55042), (5655, 46282), (5694, 45965), (6351, 41210), (8242, 31755), (9193, 28470), (9490, 27579), (9510, 27521), (10585, 24726), (11310, 23141), (12363, 21170), (12702, 20605), (14235, 18386)]