68793340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 188762112

約数和(自身を除く): 119968772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 131, 140, 154, 155, 217, 220, 242, 262, 308, 310, 341, 385, 434, 484, 524, 605, 620, 655, 682, 770, 847, 868, 917, 1085, 1210, 1310, 1364, 1441, 1540, 1694, 1705, 1834, 2170, 2387, 2420, 2620, 2882, 3388, 3410, 3668, 3751, 4061, 4235, 4340, 4585, 4774, 5764, 6820, 7205, 7502, 8122, 8470, 9170, 9548, 10087, 11935, 14410, 15004, 15851, 16244, 16940, 18340, 18755, 20174, 20305, 23870, 26257, 28427, 28820, 31702, 37510, 40348, 40610, 44671, 47740, 50435, 52514, 56854, 63404, 75020, 79255, 81220, 89342, 100870, 105028, 110957, 113708, 131285, 142135, 158510, 178684, 201740, 221914, 223355, 262570, 284270, 312697, 317020, 443828, 446710, 491381, 525140, 554785, 568540, 625394, 893420, 982762, 1109570, 1250788, 1563485, 1965524, 2219140, 2456905, 3126970, 3439667, 4913810, 6253940, 6879334, 9827620, 13758668, 17198335, 34396670, 68793340]

約数ペア:

[(1, 68793340), (2, 34396670), (4, 17198335), (5, 13758668), (7, 9827620), (10, 6879334), (11, 6253940), (14, 4913810), (20, 3439667), (22, 3126970), (28, 2456905), (31, 2219140), (35, 1965524), (44, 1563485), (55, 1250788), (62, 1109570), (70, 982762), (77, 893420), (110, 625394), (121, 568540), (124, 554785), (131, 525140), (140, 491381), (154, 446710), (155, 443828), (217, 317020), (220, 312697), (242, 284270), (262, 262570), (308, 223355), (310, 221914), (341, 201740), (385, 178684), (434, 158510), (484, 142135), (524, 131285), (605, 113708), (620, 110957), (655, 105028), (682, 100870), (770, 89342), (847, 81220), (868, 79255), (917, 75020), (1085, 63404), (1210, 56854), (1310, 52514), (1364, 50435), (1441, 47740), (1540, 44671), (1694, 40610), (1705, 40348), (1834, 37510), (2170, 31702), (2387, 28820), (2420, 28427), (2620, 26257), (2882, 23870), (3388, 20305), (3410, 20174), (3668, 18755), (3751, 18340), (4061, 16940), (4235, 16244), (4340, 15851), (4585, 15004), (4774, 14410), (5764, 11935), (6820, 10087), (7205, 9548), (7502, 9170), (8122, 8470)]