131820080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8117}}^1$

素因数の和:8166

約数の個数: 80

約数和(自身を含む): 362387520

約数和(自身を除く): 230567440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8117, 8120, 16234, 16240, 32468, 40585, 56819, 64936, 81170, 113638, 129872, 162340, 227276, 235393, 284095, 324680, 454552, 470786, 568190, 649360, 909104, 941572, 1136380, 1176965, 1647751, 1883144, 2272760, 2353930, 3295502, 3766288, 4545520, 4707860, 6591004, 8238755, 9415720, 13182008, 16477510, 18831440, 26364016, 32955020, 65910040, 131820080]

約数ペア:

[(1, 131820080), (2, 65910040), (4, 32955020), (5, 26364016), (7, 18831440), (8, 16477510), (10, 13182008), (14, 9415720), (16, 8238755), (20, 6591004), (28, 4707860), (29, 4545520), (35, 3766288), (40, 3295502), (56, 2353930), (58, 2272760), (70, 1883144), (80, 1647751), (112, 1176965), (116, 1136380), (140, 941572), (145, 909104), (203, 649360), (232, 568190), (280, 470786), (290, 454552), (406, 324680), (464, 284095), (560, 235393), (580, 227276), (812, 162340), (1015, 129872), (1160, 113638), (1624, 81170), (2030, 64936), (2320, 56819), (3248, 40585), (4060, 32468), (8117, 16240), (8120, 16234)]