81101580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6229}}^1$

素因数の和:6279

約数の個数: 96

約数和(自身を含む): 267939840

約数和(自身を除く): 186838260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6229, 6510, 12458, 13020, 18687, 24916, 31145, 37374, 43603, 62290, 74748, 87206, 93435, 124580, 130809, 174412, 186870, 193099, 218015, 261618, 373740, 386198, 436030, 523236, 579297, 654045, 772396, 872060, 965495, 1158594, 1308090, 1351693, 1930990, 2317188, 2616180, 2703386, 2896485, 3861980, 4055079, 5406772, 5792970, 6758465, 8110158, 11585940, 13516930, 16220316, 20275395, 27033860, 40550790, 81101580]

約数ペア:

[(1, 81101580), (2, 40550790), (3, 27033860), (4, 20275395), (5, 16220316), (6, 13516930), (7, 11585940), (10, 8110158), (12, 6758465), (14, 5792970), (15, 5406772), (20, 4055079), (21, 3861980), (28, 2896485), (30, 2703386), (31, 2616180), (35, 2317188), (42, 1930990), (60, 1351693), (62, 1308090), (70, 1158594), (84, 965495), (93, 872060), (105, 772396), (124, 654045), (140, 579297), (155, 523236), (186, 436030), (210, 386198), (217, 373740), (310, 261618), (372, 218015), (420, 193099), (434, 186870), (465, 174412), (620, 130809), (651, 124580), (868, 93435), (930, 87206), (1085, 74748), (1302, 62290), (1860, 43603), (2170, 37374), (2604, 31145), (3255, 24916), (4340, 18687), (6229, 13020), (6510, 12458)]