320507040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13627}}^1$

素因数の和:13659

約数の個数: 144

約数和(自身を含む): 1174515552

約数和(自身を除く): 854008512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 13627, 23520, 27254, 40881, 54508, 68135, 81762, 95389, 109016, 136270, 163524, 190778, 204405, 218032, 272540, 286167, 327048, 381556, 408810, 436064, 476945, 545080, 572334, 654096, 667723, 763112, 817620, 953890, 1090160, 1144668, 1308192, 1335446, 1430835, 1526224, 1635240, 1907780, 2003169, 2180320, 2289336, 2670892, 2861670, 3052448, 3270480, 3338615, 3815560, 4006338, 4578672, 5341784, 5723340, 6540960, 6677230, 7631120, 8012676, 9157344, 10015845, 10683568, 11446680, 13354460, 15262240, 16025352, 20031690, 21367136, 22893360, 26708920, 32050704, 40063380, 45786720, 53417840, 64101408, 80126760, 106835680, 160253520, 320507040]

約数ペア:

[(1, 320507040), (2, 160253520), (3, 106835680), (4, 80126760), (5, 64101408), (6, 53417840), (7, 45786720), (8, 40063380), (10, 32050704), (12, 26708920), (14, 22893360), (15, 21367136), (16, 20031690), (20, 16025352), (21, 15262240), (24, 13354460), (28, 11446680), (30, 10683568), (32, 10015845), (35, 9157344), (40, 8012676), (42, 7631120), (48, 6677230), (49, 6540960), (56, 5723340), (60, 5341784), (70, 4578672), (80, 4006338), (84, 3815560), (96, 3338615), (98, 3270480), (105, 3052448), (112, 2861670), (120, 2670892), (140, 2289336), (147, 2180320), (160, 2003169), (168, 1907780), (196, 1635240), (210, 1526224), (224, 1430835), (240, 1335446), (245, 1308192), (280, 1144668), (294, 1090160), (336, 953890), (392, 817620), (420, 763112), (480, 667723), (490, 654096), (560, 572334), (588, 545080), (672, 476945), (735, 436064), (784, 408810), (840, 381556), (980, 327048), (1120, 286167), (1176, 272540), (1470, 218032), (1568, 204405), (1680, 190778), (1960, 163524), (2352, 136270), (2940, 109016), (3360, 95389), (3920, 81762), (4704, 68135), (5880, 54508), (7840, 40881), (11760, 27254), (13627, 23520)]