2105220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2699}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 6350400

約数和(自身を除く): 4245180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2699, 5398, 8097, 10796, 13495, 16194, 26990, 32388, 35087, 40485, 53980, 70174, 80970, 105261, 140348, 161940, 175435, 210522, 350870, 421044, 526305, 701740, 1052610, 2105220]

約数ペア:

[(1, 2105220), (2, 1052610), (3, 701740), (4, 526305), (5, 421044), (6, 350870), (10, 210522), (12, 175435), (13, 161940), (15, 140348), (20, 105261), (26, 80970), (30, 70174), (39, 53980), (52, 40485), (60, 35087), (65, 32388), (78, 26990), (130, 16194), (156, 13495), (195, 10796), (260, 8097), (390, 5398), (780, 2699)]