66674580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158749}}^1$

素因数の和:158768

約数の個数: 48

約数和(自身を含む): 213360000

約数和(自身を除く): 146685420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 158749, 317498, 476247, 634996, 793745, 952494, 1111243, 1587490, 1904988, 2222486, 2381235, 3174980, 3333729, 4444972, 4762470, 5556215, 6667458, 9524940, 11112430, 13334916, 16668645, 22224860, 33337290, 66674580]

約数ペア:

[(1, 66674580), (2, 33337290), (3, 22224860), (4, 16668645), (5, 13334916), (6, 11112430), (7, 9524940), (10, 6667458), (12, 5556215), (14, 4762470), (15, 4444972), (20, 3333729), (21, 3174980), (28, 2381235), (30, 2222486), (35, 1904988), (42, 1587490), (60, 1111243), (70, 952494), (84, 793745), (105, 634996), (140, 476247), (210, 317498), (420, 158749)]