18780960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3557}}^1$

素因数の和:3586

約数の個数: 96

約数和(自身を含む): 64556352

約数和(自身を除く): 45775392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3557, 5280, 7114, 10671, 14228, 17785, 21342, 28456, 35570, 39127, 42684, 53355, 56912, 71140, 78254, 85368, 106710, 113824, 117381, 142280, 156508, 170736, 195635, 213420, 234762, 284560, 313016, 341472, 391270, 426840, 469524, 569120, 586905, 626032, 782540, 853680, 939048, 1173810, 1252064, 1565080, 1707360, 1878096, 2347620, 3130160, 3756192, 4695240, 6260320, 9390480, 18780960]

約数ペア:

[(1, 18780960), (2, 9390480), (3, 6260320), (4, 4695240), (5, 3756192), (6, 3130160), (8, 2347620), (10, 1878096), (11, 1707360), (12, 1565080), (15, 1252064), (16, 1173810), (20, 939048), (22, 853680), (24, 782540), (30, 626032), (32, 586905), (33, 569120), (40, 469524), (44, 426840), (48, 391270), (55, 341472), (60, 313016), (66, 284560), (80, 234762), (88, 213420), (96, 195635), (110, 170736), (120, 156508), (132, 142280), (160, 117381), (165, 113824), (176, 106710), (220, 85368), (240, 78254), (264, 71140), (330, 56912), (352, 53355), (440, 42684), (480, 39127), (528, 35570), (660, 28456), (880, 21342), (1056, 17785), (1320, 14228), (1760, 10671), (2640, 7114), (3557, 5280)]