8231635840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1531}}^1$

素因数の和:1852

約数の個数: 128

約数和(自身を含む): 20401827840

約数和(自身を除く): 12170192000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 271, 310, 320, 496, 542, 620, 640, 992, 1084, 1240, 1355, 1531, 1984, 2168, 2480, 2710, 3062, 3968, 4336, 4960, 5420, 6124, 7655, 8401, 8672, 9920, 10840, 12248, 15310, 16802, 17344, 19840, 21680, 24496, 30620, 33604, 34688, 42005, 43360, 47461, 48992, 61240, 67208, 84010, 86720, 94922, 97984, 122480, 134416, 168020, 173440, 189844, 195968, 237305, 244960, 268832, 336040, 379688, 414901, 474610, 489920, 537664, 672080, 759376, 829802, 949220, 979840, 1075328, 1344160, 1518752, 1659604, 1898440, 2074505, 2688320, 3037504, 3319208, 3796880, 4149010, 5376640, 6075008, 6638416, 7593760, 8298020, 12861931, 13276832, 15187520, 16596040, 25723862, 26553664, 30375040, 33192080, 51447724, 53107328, 64309655, 66384160, 102895448, 128619310, 132768320, 205790896, 257238620, 265536640, 411581792, 514477240, 823163584, 1028954480, 1646327168, 2057908960, 4115817920, 8231635840]

約数ペア:

[(1, 8231635840), (2, 4115817920), (4, 2057908960), (5, 1646327168), (8, 1028954480), (10, 823163584), (16, 514477240), (20, 411581792), (31, 265536640), (32, 257238620), (40, 205790896), (62, 132768320), (64, 128619310), (80, 102895448), (124, 66384160), (128, 64309655), (155, 53107328), (160, 51447724), (248, 33192080), (271, 30375040), (310, 26553664), (320, 25723862), (496, 16596040), (542, 15187520), (620, 13276832), (640, 12861931), (992, 8298020), (1084, 7593760), (1240, 6638416), (1355, 6075008), (1531, 5376640), (1984, 4149010), (2168, 3796880), (2480, 3319208), (2710, 3037504), (3062, 2688320), (3968, 2074505), (4336, 1898440), (4960, 1659604), (5420, 1518752), (6124, 1344160), (7655, 1075328), (8401, 979840), (8672, 949220), (9920, 829802), (10840, 759376), (12248, 672080), (15310, 537664), (16802, 489920), (17344, 474610), (19840, 414901), (21680, 379688), (24496, 336040), (30620, 268832), (33604, 244960), (34688, 237305), (42005, 195968), (43360, 189844), (47461, 173440), (48992, 168020), (61240, 134416), (67208, 122480), (84010, 97984), (86720, 94922)]