81545160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2053}}^1$

素因数の和:2398

約数の個数: 64

約数和(自身を含む): 245494080

約数和(自身を除く): 163948920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2053, 2648, 3310, 3972, 4106, 4965, 6159, 6620, 7944, 8212, 9930, 10265, 12318, 13240, 16424, 19860, 20530, 24636, 30795, 39720, 41060, 49272, 61590, 82120, 123180, 246360, 679543, 1359086, 2038629, 2718172, 3397715, 4077258, 5436344, 6795430, 8154516, 10193145, 13590860, 16309032, 20386290, 27181720, 40772580, 81545160]

約数ペア:

[(1, 81545160), (2, 40772580), (3, 27181720), (4, 20386290), (5, 16309032), (6, 13590860), (8, 10193145), (10, 8154516), (12, 6795430), (15, 5436344), (20, 4077258), (24, 3397715), (30, 2718172), (40, 2038629), (60, 1359086), (120, 679543), (331, 246360), (662, 123180), (993, 82120), (1324, 61590), (1655, 49272), (1986, 41060), (2053, 39720), (2648, 30795), (3310, 24636), (3972, 20530), (4106, 19860), (4965, 16424), (6159, 13240), (6620, 12318), (7944, 10265), (8212, 9930)]