13221480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 26695320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 461, 478, 717, 922, 956, 1195, 1383, 1434, 1844, 1912, 2305, 2390, 2766, 2868, 3585, 3688, 4610, 4780, 5532, 5736, 6915, 7170, 9220, 9560, 11064, 13830, 14340, 18440, 27660, 28680, 55320, 110179, 220358, 330537, 440716, 550895, 661074, 881432, 1101790, 1322148, 1652685, 2203580, 2644296, 3305370, 4407160, 6610740, 13221480]

約数ペア:

[(1, 13221480), (2, 6610740), (3, 4407160), (4, 3305370), (5, 2644296), (6, 2203580), (8, 1652685), (10, 1322148), (12, 1101790), (15, 881432), (20, 661074), (24, 550895), (30, 440716), (40, 330537), (60, 220358), (120, 110179), (239, 55320), (461, 28680), (478, 27660), (717, 18440), (922, 14340), (956, 13830), (1195, 11064), (1383, 9560), (1434, 9220), (1844, 7170), (1912, 6915), (2305, 5736), (2390, 5532), (2766, 4780), (2868, 4610), (3585, 3688)]