78653820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 144

約数和(自身を含む): 264757248

約数和(自身を除く): 186103428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 863, 868, 930, 980, 1085, 1302, 1470, 1519, 1726, 1860, 2170, 2589, 2604, 2940, 3038, 3255, 3452, 4315, 4340, 4557, 5178, 6041, 6076, 6510, 7595, 8630, 9114, 10356, 12082, 12945, 13020, 15190, 17260, 18123, 18228, 22785, 24164, 25890, 26753, 30205, 30380, 36246, 42287, 45570, 51780, 53506, 60410, 72492, 80259, 84574, 90615, 91140, 107012, 120820, 126861, 133765, 160518, 169148, 181230, 187271, 211435, 253722, 267530, 321036, 362460, 374542, 401295, 422870, 507444, 535060, 561813, 634305, 749084, 802590, 845740, 936355, 1123626, 1268610, 1310897, 1605180, 1872710, 2247252, 2537220, 2621794, 2809065, 3745420, 3932691, 5243588, 5618130, 6554485, 7865382, 11236260, 13108970, 15730764, 19663455, 26217940, 39326910, 78653820]

約数ペア:

[(1, 78653820), (2, 39326910), (3, 26217940), (4, 19663455), (5, 15730764), (6, 13108970), (7, 11236260), (10, 7865382), (12, 6554485), (14, 5618130), (15, 5243588), (20, 3932691), (21, 3745420), (28, 2809065), (30, 2621794), (31, 2537220), (35, 2247252), (42, 1872710), (49, 1605180), (60, 1310897), (62, 1268610), (70, 1123626), (84, 936355), (93, 845740), (98, 802590), (105, 749084), (124, 634305), (140, 561813), (147, 535060), (155, 507444), (186, 422870), (196, 401295), (210, 374542), (217, 362460), (245, 321036), (294, 267530), (310, 253722), (372, 211435), (420, 187271), (434, 181230), (465, 169148), (490, 160518), (588, 133765), (620, 126861), (651, 120820), (735, 107012), (863, 91140), (868, 90615), (930, 84574), (980, 80259), (1085, 72492), (1302, 60410), (1470, 53506), (1519, 51780), (1726, 45570), (1860, 42287), (2170, 36246), (2589, 30380), (2604, 30205), (2940, 26753), (3038, 25890), (3255, 24164), (3452, 22785), (4315, 18228), (4340, 18123), (4557, 17260), (5178, 15190), (6041, 13020), (6076, 12945), (6510, 12082), (7595, 10356), (8630, 9114)]