628641520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 1685142144

約数和(自身を除く): 1056500624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 41, 46, 52, 65, 80, 82, 92, 104, 115, 130, 164, 184, 205, 208, 230, 260, 299, 328, 368, 410, 460, 520, 533, 598, 641, 656, 820, 920, 943, 1040, 1066, 1196, 1282, 1495, 1640, 1840, 1886, 2132, 2392, 2564, 2665, 2990, 3205, 3280, 3772, 4264, 4715, 4784, 5128, 5330, 5980, 6410, 7544, 8333, 8528, 9430, 10256, 10660, 11960, 12259, 12820, 14743, 15088, 16666, 18860, 21320, 23920, 24518, 25640, 26281, 29486, 33332, 37720, 41665, 42640, 49036, 51280, 52562, 58972, 61295, 66664, 73715, 75440, 83330, 98072, 105124, 117944, 122590, 131405, 133328, 147430, 166660, 191659, 196144, 210248, 235888, 245180, 262810, 294860, 333320, 341653, 383318, 420496, 490360, 525620, 589720, 604463, 666640, 683306, 766636, 958295, 980720, 1051240, 1179440, 1208926, 1366612, 1533272, 1708265, 1916590, 2102480, 2417852, 2733224, 3022315, 3066544, 3416530, 3833180, 4835704, 5466448, 6044630, 6833060, 7666360, 7858019, 9671408, 12089260, 13666120, 15332720, 15716038, 24178520, 27332240, 31432076, 39290095, 48357040, 62864152, 78580190, 125728304, 157160380, 314320760, 628641520]

約数ペア:

[(1, 628641520), (2, 314320760), (4, 157160380), (5, 125728304), (8, 78580190), (10, 62864152), (13, 48357040), (16, 39290095), (20, 31432076), (23, 27332240), (26, 24178520), (40, 15716038), (41, 15332720), (46, 13666120), (52, 12089260), (65, 9671408), (80, 7858019), (82, 7666360), (92, 6833060), (104, 6044630), (115, 5466448), (130, 4835704), (164, 3833180), (184, 3416530), (205, 3066544), (208, 3022315), (230, 2733224), (260, 2417852), (299, 2102480), (328, 1916590), (368, 1708265), (410, 1533272), (460, 1366612), (520, 1208926), (533, 1179440), (598, 1051240), (641, 980720), (656, 958295), (820, 766636), (920, 683306), (943, 666640), (1040, 604463), (1066, 589720), (1196, 525620), (1282, 490360), (1495, 420496), (1640, 383318), (1840, 341653), (1886, 333320), (2132, 294860), (2392, 262810), (2564, 245180), (2665, 235888), (2990, 210248), (3205, 196144), (3280, 191659), (3772, 166660), (4264, 147430), (4715, 133328), (4784, 131405), (5128, 122590), (5330, 117944), (5980, 105124), (6410, 98072), (7544, 83330), (8333, 75440), (8528, 73715), (9430, 66664), (10256, 61295), (10660, 58972), (11960, 52562), (12259, 51280), (12820, 49036), (14743, 42640), (15088, 41665), (16666, 37720), (18860, 33332), (21320, 29486), (23920, 26281), (24518, 25640)]