127223880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 438497280

約数和(自身を除く): 311273400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 311, 420, 487, 622, 840, 933, 974, 1244, 1461, 1555, 1866, 1948, 2177, 2435, 2488, 2922, 3110, 3409, 3732, 3896, 4354, 4665, 4870, 5844, 6220, 6531, 6818, 7305, 7464, 8708, 9330, 9740, 10227, 10885, 11688, 12440, 13062, 13636, 14610, 17045, 17416, 18660, 19480, 20454, 21770, 26124, 27272, 29220, 32655, 34090, 37320, 40908, 43540, 51135, 52248, 58440, 65310, 68180, 81816, 87080, 102270, 130620, 136360, 151457, 204540, 261240, 302914, 409080, 454371, 605828, 757285, 908742, 1060199, 1211656, 1514570, 1817484, 2120398, 2271855, 3029140, 3180597, 3634968, 4240796, 4543710, 5300995, 6058280, 6361194, 8481592, 9087420, 10601990, 12722388, 15902985, 18174840, 21203980, 25444776, 31805970, 42407960, 63611940, 127223880]

約数ペア:

[(1, 127223880), (2, 63611940), (3, 42407960), (4, 31805970), (5, 25444776), (6, 21203980), (7, 18174840), (8, 15902985), (10, 12722388), (12, 10601990), (14, 9087420), (15, 8481592), (20, 6361194), (21, 6058280), (24, 5300995), (28, 4543710), (30, 4240796), (35, 3634968), (40, 3180597), (42, 3029140), (56, 2271855), (60, 2120398), (70, 1817484), (84, 1514570), (105, 1211656), (120, 1060199), (140, 908742), (168, 757285), (210, 605828), (280, 454371), (311, 409080), (420, 302914), (487, 261240), (622, 204540), (840, 151457), (933, 136360), (974, 130620), (1244, 102270), (1461, 87080), (1555, 81816), (1866, 68180), (1948, 65310), (2177, 58440), (2435, 52248), (2488, 51135), (2922, 43540), (3110, 40908), (3409, 37320), (3732, 34090), (3896, 32655), (4354, 29220), (4665, 27272), (4870, 26124), (5844, 21770), (6220, 20454), (6531, 19480), (6818, 18660), (7305, 17416), (7464, 17045), (8708, 14610), (9330, 13636), (9740, 13062), (10227, 12440), (10885, 11688)]