30752920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 77565600

約数和(自身を除く): 46812680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 1889, 2035, 3256, 3778, 4070, 7556, 8140, 9445, 15112, 16280, 18890, 20779, 37780, 41558, 69893, 75560, 83116, 103895, 139786, 166232, 207790, 279572, 349465, 415580, 559144, 698930, 768823, 831160, 1397860, 1537646, 2795720, 3075292, 3844115, 6150584, 7688230, 15376460, 30752920]

約数ペア:

[(1, 30752920), (2, 15376460), (4, 7688230), (5, 6150584), (8, 3844115), (10, 3075292), (11, 2795720), (20, 1537646), (22, 1397860), (37, 831160), (40, 768823), (44, 698930), (55, 559144), (74, 415580), (88, 349465), (110, 279572), (148, 207790), (185, 166232), (220, 139786), (296, 103895), (370, 83116), (407, 75560), (440, 69893), (740, 41558), (814, 37780), (1480, 20779), (1628, 18890), (1889, 16280), (2035, 15112), (3256, 9445), (3778, 8140), (4070, 7556)]