165350120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{839}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 402192000

約数和(自身を除く): 236841880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 379, 520, 758, 839, 1516, 1678, 1895, 3032, 3356, 3790, 4195, 4927, 6712, 7580, 8390, 9854, 10907, 15160, 16780, 19708, 21814, 24635, 33560, 39416, 43628, 49270, 54535, 87256, 98540, 109070, 197080, 218140, 317981, 436280, 635962, 1271924, 1589905, 2543848, 3179810, 4133753, 6359620, 8267506, 12719240, 16535012, 20668765, 33070024, 41337530, 82675060, 165350120]

約数ペア:

[(1, 165350120), (2, 82675060), (4, 41337530), (5, 33070024), (8, 20668765), (10, 16535012), (13, 12719240), (20, 8267506), (26, 6359620), (40, 4133753), (52, 3179810), (65, 2543848), (104, 1589905), (130, 1271924), (260, 635962), (379, 436280), (520, 317981), (758, 218140), (839, 197080), (1516, 109070), (1678, 98540), (1895, 87256), (3032, 54535), (3356, 49270), (3790, 43628), (4195, 39416), (4927, 33560), (6712, 24635), (7580, 21814), (8390, 19708), (9854, 16780), (10907, 15160)]