66509940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158357}}^1$

素因数の和:158376

約数の個数: 48

約数和(自身を含む): 212833152

約数和(自身を除く): 146323212

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, 158357, 316714, 475071, 633428, 791785, 950142, 1108499, 1583570, 1900284, 2216998, 2375355, 3167140, 3325497, 4433996, 4750710, 5542495, 6650994, 9501420, 11084990, 13301988, 16627485, 22169980, 33254970, 66509940]

約数ペア:

[(1, 66509940), (2, 33254970), (3, 22169980), (4, 16627485), (5, 13301988), (6, 11084990), (7, 9501420), (10, 6650994), (12, 5542495), (14, 4750710), (15, 4433996), (20, 3325497), (21, 3167140), (28, 2375355), (30, 2216998), (35, 1900284), (42, 1583570), (60, 1108499), (70, 950142), (84, 791785), (105, 633428), (140, 475071), (210, 316714), (420, 158357)]