2018240120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{125201}}^1$

素因数の和:125256

約数の個数: 64

約数和(自身を含む): 5048144640

約数和(自身を除く): 3029904520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 125201, 250402, 500804, 626005, 1001608, 1252010, 1627613, 2504020, 3255226, 3881231, 5008040, 6510452, 7762462, 8138065, 13020904, 15524924, 16276130, 19406155, 31049848, 32552260, 38812310, 50456003, 65104520, 77624620, 100912006, 155249240, 201824012, 252280015, 403648024, 504560030, 1009120060, 2018240120]

約数ペア:

[(1, 2018240120), (2, 1009120060), (4, 504560030), (5, 403648024), (8, 252280015), (10, 201824012), (13, 155249240), (20, 100912006), (26, 77624620), (31, 65104520), (40, 50456003), (52, 38812310), (62, 32552260), (65, 31049848), (104, 19406155), (124, 16276130), (130, 15524924), (155, 13020904), (248, 8138065), (260, 7762462), (310, 6510452), (403, 5008040), (520, 3881231), (620, 3255226), (806, 2504020), (1240, 1627613), (1612, 1252010), (2015, 1001608), (3224, 626005), (4030, 500804), (8060, 250402), (16120, 125201)]