68535280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4099}}^1$

素因数の和:4142

約数の個数: 80

約数和(自身を含む): 183024000

約数和(自身を除く): 114488720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4099, 4180, 8198, 8360, 16396, 16720, 20495, 32792, 40990, 45089, 65584, 77881, 81980, 90178, 155762, 163960, 180356, 225445, 311524, 327920, 360712, 389405, 450890, 623048, 721424, 778810, 856691, 901780, 1246096, 1557620, 1713382, 1803560, 3115240, 3426764, 3607120, 4283455, 6230480, 6853528, 8566910, 13707056, 17133820, 34267640, 68535280]

約数ペア:

[(1, 68535280), (2, 34267640), (4, 17133820), (5, 13707056), (8, 8566910), (10, 6853528), (11, 6230480), (16, 4283455), (19, 3607120), (20, 3426764), (22, 3115240), (38, 1803560), (40, 1713382), (44, 1557620), (55, 1246096), (76, 901780), (80, 856691), (88, 778810), (95, 721424), (110, 623048), (152, 450890), (176, 389405), (190, 360712), (209, 327920), (220, 311524), (304, 225445), (380, 180356), (418, 163960), (440, 155762), (760, 90178), (836, 81980), (880, 77881), (1045, 65584), (1520, 45089), (1672, 40990), (2090, 32792), (3344, 20495), (4099, 16720), (4180, 16396), (8198, 8360)]