68129320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 185794560

約数和(自身を除く): 117665240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 155, 167, 188, 217, 235, 248, 280, 310, 329, 334, 376, 434, 470, 620, 658, 668, 835, 868, 940, 1085, 1169, 1240, 1316, 1336, 1457, 1645, 1670, 1736, 1880, 2170, 2338, 2632, 2914, 3290, 3340, 4340, 4676, 5177, 5828, 5845, 6580, 6680, 7285, 7849, 8680, 9352, 10199, 10354, 11656, 11690, 13160, 14570, 15698, 20398, 20708, 23380, 25885, 29140, 31396, 36239, 39245, 40796, 41416, 46760, 50995, 51770, 54943, 58280, 62792, 72478, 78490, 81592, 101990, 103540, 109886, 144956, 156980, 181195, 203980, 207080, 219772, 243319, 274715, 289912, 313960, 362390, 407960, 439544, 486638, 549430, 724780, 973276, 1098860, 1216595, 1449560, 1703233, 1946552, 2197720, 2433190, 3406466, 4866380, 6812932, 8516165, 9732760, 13625864, 17032330, 34064660, 68129320]

約数ペア:

[(1, 68129320), (2, 34064660), (4, 17032330), (5, 13625864), (7, 9732760), (8, 8516165), (10, 6812932), (14, 4866380), (20, 3406466), (28, 2433190), (31, 2197720), (35, 1946552), (40, 1703233), (47, 1449560), (56, 1216595), (62, 1098860), (70, 973276), (94, 724780), (124, 549430), (140, 486638), (155, 439544), (167, 407960), (188, 362390), (217, 313960), (235, 289912), (248, 274715), (280, 243319), (310, 219772), (329, 207080), (334, 203980), (376, 181195), (434, 156980), (470, 144956), (620, 109886), (658, 103540), (668, 101990), (835, 81592), (868, 78490), (940, 72478), (1085, 62792), (1169, 58280), (1240, 54943), (1316, 51770), (1336, 50995), (1457, 46760), (1645, 41416), (1670, 40796), (1736, 39245), (1880, 36239), (2170, 31396), (2338, 29140), (2632, 25885), (2914, 23380), (3290, 20708), (3340, 20398), (4340, 15698), (4676, 14570), (5177, 13160), (5828, 11690), (5845, 11656), (6580, 10354), (6680, 10199), (7285, 9352), (7849, 8680)]