68533960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 179625600

約数和(自身を除く): 111091640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 41, 44, 55, 58, 82, 88, 110, 116, 131, 145, 164, 205, 220, 232, 262, 290, 319, 328, 410, 440, 451, 524, 580, 638, 655, 820, 902, 1048, 1160, 1189, 1276, 1310, 1441, 1595, 1640, 1804, 2255, 2378, 2552, 2620, 2882, 3190, 3608, 3799, 4510, 4756, 5240, 5371, 5764, 5945, 6380, 7205, 7598, 9020, 9512, 10742, 11528, 11890, 12760, 13079, 14410, 15196, 18040, 18995, 21484, 23780, 26158, 26855, 28820, 30392, 37990, 41789, 42968, 47560, 52316, 53710, 57640, 59081, 65395, 75980, 83578, 104632, 107420, 118162, 130790, 151960, 155759, 167156, 208945, 214840, 236324, 261580, 295405, 311518, 334312, 417890, 472648, 523160, 590810, 623036, 778795, 835780, 1181620, 1246072, 1557590, 1671560, 1713349, 2363240, 3115180, 3426698, 6230360, 6853396, 8566745, 13706792, 17133490, 34266980, 68533960]

約数ペア:

[(1, 68533960), (2, 34266980), (4, 17133490), (5, 13706792), (8, 8566745), (10, 6853396), (11, 6230360), (20, 3426698), (22, 3115180), (29, 2363240), (40, 1713349), (41, 1671560), (44, 1557590), (55, 1246072), (58, 1181620), (82, 835780), (88, 778795), (110, 623036), (116, 590810), (131, 523160), (145, 472648), (164, 417890), (205, 334312), (220, 311518), (232, 295405), (262, 261580), (290, 236324), (319, 214840), (328, 208945), (410, 167156), (440, 155759), (451, 151960), (524, 130790), (580, 118162), (638, 107420), (655, 104632), (820, 83578), (902, 75980), (1048, 65395), (1160, 59081), (1189, 57640), (1276, 53710), (1310, 52316), (1441, 47560), (1595, 42968), (1640, 41789), (1804, 37990), (2255, 30392), (2378, 28820), (2552, 26855), (2620, 26158), (2882, 23780), (3190, 21484), (3608, 18995), (3799, 18040), (4510, 15196), (4756, 14410), (5240, 13079), (5371, 12760), (5764, 11890), (5945, 11528), (6380, 10742), (7205, 9512), (7598, 9020)]