2015937220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 4708368000

約数和(自身を除く): 2692430780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 149, 178, 220, 298, 356, 445, 596, 691, 745, 890, 979, 1382, 1490, 1639, 1780, 1958, 2764, 2980, 3278, 3455, 3916, 4895, 6556, 6910, 7601, 8195, 9790, 13261, 13820, 15202, 16390, 19580, 26522, 30404, 32780, 38005, 53044, 61499, 66305, 76010, 102959, 122998, 132610, 145871, 152020, 205918, 245996, 265220, 291742, 307495, 411836, 514795, 583484, 614990, 676489, 729355, 1029590, 1132549, 1229980, 1352978, 1458710, 2059180, 2265098, 2705956, 2917420, 3382445, 4530196, 5662745, 6764890, 9163351, 11325490, 13529780, 18326702, 22650980, 36653404, 45816755, 91633510, 100796861, 183267020, 201593722, 403187444, 503984305, 1007968610, 2015937220]

約数ペア:

[(1, 2015937220), (2, 1007968610), (4, 503984305), (5, 403187444), (10, 201593722), (11, 183267020), (20, 100796861), (22, 91633510), (44, 45816755), (55, 36653404), (89, 22650980), (110, 18326702), (149, 13529780), (178, 11325490), (220, 9163351), (298, 6764890), (356, 5662745), (445, 4530196), (596, 3382445), (691, 2917420), (745, 2705956), (890, 2265098), (979, 2059180), (1382, 1458710), (1490, 1352978), (1639, 1229980), (1780, 1132549), (1958, 1029590), (2764, 729355), (2980, 676489), (3278, 614990), (3455, 583484), (3916, 514795), (4895, 411836), (6556, 307495), (6910, 291742), (7601, 265220), (8195, 245996), (9790, 205918), (13261, 152020), (13820, 145871), (15202, 132610), (16390, 122998), (19580, 102959), (26522, 76010), (30404, 66305), (32780, 61499), (38005, 53044)]