81058180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 211599360

約数和(自身を除く): 130541180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 983, 1085, 1178, 1330, 1966, 2170, 2356, 2660, 2945, 3932, 4123, 4340, 4915, 5890, 6881, 8246, 9830, 11780, 13762, 16492, 18677, 19660, 20615, 27524, 30473, 34405, 37354, 41230, 60946, 68810, 74708, 82460, 93385, 121892, 130739, 137620, 152365, 186770, 213311, 261478, 304730, 373540, 426622, 522956, 578987, 609460, 653695, 853244, 1066555, 1157974, 1307390, 2133110, 2315948, 2614780, 2894935, 4052909, 4266220, 5789870, 8105818, 11579740, 16211636, 20264545, 40529090, 81058180]

約数ペア:

[(1, 81058180), (2, 40529090), (4, 20264545), (5, 16211636), (7, 11579740), (10, 8105818), (14, 5789870), (19, 4266220), (20, 4052909), (28, 2894935), (31, 2614780), (35, 2315948), (38, 2133110), (62, 1307390), (70, 1157974), (76, 1066555), (95, 853244), (124, 653695), (133, 609460), (140, 578987), (155, 522956), (190, 426622), (217, 373540), (266, 304730), (310, 261478), (380, 213311), (434, 186770), (532, 152365), (589, 137620), (620, 130739), (665, 121892), (868, 93385), (983, 82460), (1085, 74708), (1178, 68810), (1330, 60946), (1966, 41230), (2170, 37354), (2356, 34405), (2660, 30473), (2945, 27524), (3932, 20615), (4123, 19660), (4340, 18677), (4915, 16492), (5890, 13762), (6881, 11780), (8246, 9830)]