7628660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 18108216

約数和(自身を除く): 10479556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 61, 65, 74, 122, 130, 148, 169, 185, 244, 260, 305, 338, 370, 481, 610, 676, 740, 793, 845, 962, 1220, 1586, 1690, 1924, 2257, 2405, 3172, 3380, 3965, 4514, 4810, 6253, 7930, 9028, 9620, 10309, 11285, 12506, 15860, 20618, 22570, 25012, 29341, 31265, 41236, 45140, 51545, 58682, 62530, 103090, 117364, 125060, 146705, 206180, 293410, 381433, 586820, 762866, 1525732, 1907165, 3814330, 7628660]

約数ペア:

[(1, 7628660), (2, 3814330), (4, 1907165), (5, 1525732), (10, 762866), (13, 586820), (20, 381433), (26, 293410), (37, 206180), (52, 146705), (61, 125060), (65, 117364), (74, 103090), (122, 62530), (130, 58682), (148, 51545), (169, 45140), (185, 41236), (244, 31265), (260, 29341), (305, 25012), (338, 22570), (370, 20618), (481, 15860), (610, 12506), (676, 11285), (740, 10309), (793, 9620), (845, 9028), (962, 7930), (1220, 6253), (1586, 4810), (1690, 4514), (1924, 3965), (2257, 3380), (2405, 3172)]