181347440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{78167}}^1$

素因数の和:78209

約数の個数: 40

約数和(自身を含む): 436177440

約数和(自身を除く): 254830000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 78167, 156334, 312668, 390835, 625336, 781670, 1250672, 1563340, 2266843, 3126680, 4533686, 6253360, 9067372, 11334215, 18134744, 22668430, 36269488, 45336860, 90673720, 181347440]

約数ペア:

[(1, 181347440), (2, 90673720), (4, 45336860), (5, 36269488), (8, 22668430), (10, 18134744), (16, 11334215), (20, 9067372), (29, 6253360), (40, 4533686), (58, 3126680), (80, 2266843), (116, 1563340), (145, 1250672), (232, 781670), (290, 625336), (464, 390835), (580, 312668), (1160, 156334), (2320, 78167)]