2556180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 8465184

約数和(自身を除く): 5909004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1291, 1980, 2582, 3873, 5164, 6455, 7746, 11619, 12910, 14201, 15492, 19365, 23238, 25820, 28402, 38730, 42603, 46476, 56804, 58095, 71005, 77460, 85206, 116190, 127809, 142010, 170412, 213015, 232380, 255618, 284020, 426030, 511236, 639045, 852060, 1278090, 2556180]

約数ペア:

[(1, 2556180), (2, 1278090), (3, 852060), (4, 639045), (5, 511236), (6, 426030), (9, 284020), (10, 255618), (11, 232380), (12, 213015), (15, 170412), (18, 142010), (20, 127809), (22, 116190), (30, 85206), (33, 77460), (36, 71005), (44, 58095), (45, 56804), (55, 46476), (60, 42603), (66, 38730), (90, 28402), (99, 25820), (110, 23238), (132, 19365), (165, 15492), (180, 14201), (198, 12910), (220, 11619), (330, 7746), (396, 6455), (495, 5164), (660, 3873), (990, 2582), (1291, 1980)]