198663120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{275921}}^1$

素因数の和:275940

約数の個数: 60

約数和(自身を含む): 667179396

約数和(自身を除く): 468516276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 275921, 551842, 827763, 1103684, 1379605, 1655526, 2207368, 2483289, 2759210, 3311052, 4138815, 4414736, 4966578, 5518420, 6622104, 8277630, 9933156, 11036840, 12416445, 13244208, 16555260, 19866312, 22073680, 24832890, 33110520, 39732624, 49665780, 66221040, 99331560, 198663120]

約数ペア:

[(1, 198663120), (2, 99331560), (3, 66221040), (4, 49665780), (5, 39732624), (6, 33110520), (8, 24832890), (9, 22073680), (10, 19866312), (12, 16555260), (15, 13244208), (16, 12416445), (18, 11036840), (20, 9933156), (24, 8277630), (30, 6622104), (36, 5518420), (40, 4966578), (45, 4414736), (48, 4138815), (60, 3311052), (72, 2759210), (80, 2483289), (90, 2207368), (120, 1655526), (144, 1379605), (180, 1103684), (240, 827763), (360, 551842), (720, 275921)]