164788520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 422949600

約数和(自身を除く): 258161080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 380, 494, 520, 676, 760, 845, 988, 1235, 1283, 1352, 1690, 1976, 2470, 2566, 3211, 3380, 4940, 5132, 6415, 6422, 6760, 9880, 10264, 12830, 12844, 16055, 16679, 24377, 25660, 25688, 32110, 33358, 48754, 51320, 64220, 66716, 83395, 97508, 121885, 128440, 133432, 166790, 195016, 216827, 243770, 316901, 333580, 433654, 487540, 633802, 667160, 867308, 975080, 1084135, 1267604, 1584505, 1734616, 2168270, 2535208, 3169010, 4119713, 4336540, 6338020, 8239426, 8673080, 12676040, 16478852, 20598565, 32957704, 41197130, 82394260, 164788520]

約数ペア:

[(1, 164788520), (2, 82394260), (4, 41197130), (5, 32957704), (8, 20598565), (10, 16478852), (13, 12676040), (19, 8673080), (20, 8239426), (26, 6338020), (38, 4336540), (40, 4119713), (52, 3169010), (65, 2535208), (76, 2168270), (95, 1734616), (104, 1584505), (130, 1267604), (152, 1084135), (169, 975080), (190, 867308), (247, 667160), (260, 633802), (338, 487540), (380, 433654), (494, 333580), (520, 316901), (676, 243770), (760, 216827), (845, 195016), (988, 166790), (1235, 133432), (1283, 128440), (1352, 121885), (1690, 97508), (1976, 83395), (2470, 66716), (2566, 64220), (3211, 51320), (3380, 48754), (4940, 33358), (5132, 32110), (6415, 25688), (6422, 25660), (6760, 24377), (9880, 16679), (10264, 16055), (12830, 12844)]