788920240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13831}}^1$

素因数の和:13898

約数の個数: 80

約数和(自身を含む): 1975873536

約数和(自身を除く): 1186953296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 13831, 14260, 27662, 28520, 55324, 57040, 69155, 110648, 138310, 221296, 276620, 318113, 428761, 553240, 636226, 857522, 1106480, 1272452, 1590565, 1715044, 2143805, 2544904, 3181130, 3430088, 4287610, 5089808, 6362260, 6860176, 8575220, 9861503, 12724520, 17150440, 19723006, 25449040, 34300880, 39446012, 49307515, 78892024, 98615030, 157784048, 197230060, 394460120, 788920240]

約数ペア:

[(1, 788920240), (2, 394460120), (4, 197230060), (5, 157784048), (8, 98615030), (10, 78892024), (16, 49307515), (20, 39446012), (23, 34300880), (31, 25449040), (40, 19723006), (46, 17150440), (62, 12724520), (80, 9861503), (92, 8575220), (115, 6860176), (124, 6362260), (155, 5089808), (184, 4287610), (230, 3430088), (248, 3181130), (310, 2544904), (368, 2143805), (460, 1715044), (496, 1590565), (620, 1272452), (713, 1106480), (920, 857522), (1240, 636226), (1426, 553240), (1840, 428761), (2480, 318113), (2852, 276620), (3565, 221296), (5704, 138310), (7130, 110648), (11408, 69155), (13831, 57040), (14260, 55324), (27662, 28520)]