2045940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 6416256

約数和(自身を除く): 4370316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 61, 65, 78, 86, 122, 129, 130, 156, 172, 183, 195, 215, 244, 258, 260, 305, 366, 390, 430, 516, 559, 610, 645, 732, 780, 793, 860, 915, 1118, 1220, 1290, 1586, 1677, 1830, 2236, 2379, 2580, 2623, 2795, 3172, 3354, 3660, 3965, 4758, 5246, 5590, 6708, 7869, 7930, 8385, 9516, 10492, 11180, 11895, 13115, 15738, 15860, 16770, 23790, 26230, 31476, 33540, 34099, 39345, 47580, 52460, 68198, 78690, 102297, 136396, 157380, 170495, 204594, 340990, 409188, 511485, 681980, 1022970, 2045940]

約数ペア:

[(1, 2045940), (2, 1022970), (3, 681980), (4, 511485), (5, 409188), (6, 340990), (10, 204594), (12, 170495), (13, 157380), (15, 136396), (20, 102297), (26, 78690), (30, 68198), (39, 52460), (43, 47580), (52, 39345), (60, 34099), (61, 33540), (65, 31476), (78, 26230), (86, 23790), (122, 16770), (129, 15860), (130, 15738), (156, 13115), (172, 11895), (183, 11180), (195, 10492), (215, 9516), (244, 8385), (258, 7930), (260, 7869), (305, 6708), (366, 5590), (390, 5246), (430, 4758), (516, 3965), (559, 3660), (610, 3354), (645, 3172), (732, 2795), (780, 2623), (793, 2580), (860, 2379), (915, 2236), (1118, 1830), (1220, 1677), (1290, 1586)]