1220700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 3815728

約数和(自身を除く): 2595028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 313, 325, 390, 626, 650, 780, 939, 975, 1252, 1300, 1565, 1878, 1950, 3130, 3756, 3900, 4069, 4695, 6260, 7825, 8138, 9390, 12207, 15650, 16276, 18780, 20345, 23475, 24414, 31300, 40690, 46950, 48828, 61035, 81380, 93900, 101725, 122070, 203450, 244140, 305175, 406900, 610350, 1220700]

約数ペア:

[(1, 1220700), (2, 610350), (3, 406900), (4, 305175), (5, 244140), (6, 203450), (10, 122070), (12, 101725), (13, 93900), (15, 81380), (20, 61035), (25, 48828), (26, 46950), (30, 40690), (39, 31300), (50, 24414), (52, 23475), (60, 20345), (65, 18780), (75, 16276), (78, 15650), (100, 12207), (130, 9390), (150, 8138), (156, 7825), (195, 6260), (260, 4695), (300, 4069), (313, 3900), (325, 3756), (390, 3130), (626, 1950), (650, 1878), (780, 1565), (939, 1300), (975, 1252)]