1207172720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{68279}}^1$

素因数の和:68322

約数の個数: 80

約数和(自身を含む): 3200420160

約数和(自身を除く): 1993247440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 68279, 136558, 273116, 341395, 546232, 682790, 887627, 1092464, 1160743, 1365580, 1775254, 2321486, 2731160, 3550508, 4438135, 4642972, 5462320, 5803715, 7101016, 8876270, 9285944, 11607430, 14202032, 15089659, 17752540, 18571888, 23214860, 30179318, 35505080, 46429720, 60358636, 71010160, 75448295, 92859440, 120717272, 150896590, 241434544, 301793180, 603586360, 1207172720]

約数ペア:

[(1, 1207172720), (2, 603586360), (4, 301793180), (5, 241434544), (8, 150896590), (10, 120717272), (13, 92859440), (16, 75448295), (17, 71010160), (20, 60358636), (26, 46429720), (34, 35505080), (40, 30179318), (52, 23214860), (65, 18571888), (68, 17752540), (80, 15089659), (85, 14202032), (104, 11607430), (130, 9285944), (136, 8876270), (170, 7101016), (208, 5803715), (221, 5462320), (260, 4642972), (272, 4438135), (340, 3550508), (442, 2731160), (520, 2321486), (680, 1775254), (884, 1365580), (1040, 1160743), (1105, 1092464), (1360, 887627), (1768, 682790), (2210, 546232), (3536, 341395), (4420, 273116), (8840, 136558), (17680, 68279)]