83440620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6529}}^1$

素因数の和:6615

約数の個数: 72

約数和(自身を含む): 256707360

約数和(自身を除く): 173266740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6529, 12780, 13058, 19587, 26116, 32645, 39174, 58761, 65290, 78348, 97935, 117522, 130580, 195870, 235044, 293805, 391740, 463559, 587610, 927118, 1175220, 1390677, 1854236, 2317795, 2781354, 4172031, 4635590, 5562708, 6953385, 8344062, 9271180, 13906770, 16688124, 20860155, 27813540, 41720310, 83440620]

約数ペア:

[(1, 83440620), (2, 41720310), (3, 27813540), (4, 20860155), (5, 16688124), (6, 13906770), (9, 9271180), (10, 8344062), (12, 6953385), (15, 5562708), (18, 4635590), (20, 4172031), (30, 2781354), (36, 2317795), (45, 1854236), (60, 1390677), (71, 1175220), (90, 927118), (142, 587610), (180, 463559), (213, 391740), (284, 293805), (355, 235044), (426, 195870), (639, 130580), (710, 117522), (852, 97935), (1065, 78348), (1278, 65290), (1420, 58761), (2130, 39174), (2556, 32645), (3195, 26116), (4260, 19587), (6390, 13058), (6529, 12780)]