688587120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5659}}^1$

素因数の和:5704

約数の個数: 180

約数和(自身を含む): 2504516040

約数和(自身を除く): 1815928920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1352, 1521, 1560, 1690, 1872, 2028, 2340, 2535, 2704, 3042, 3120, 3380, 4056, 4680, 5070, 5659, 6084, 6760, 7605, 8112, 9360, 10140, 11318, 12168, 13520, 15210, 16977, 20280, 22636, 24336, 28295, 30420, 33954, 40560, 45272, 50931, 56590, 60840, 67908, 73567, 84885, 90544, 101862, 113180, 121680, 135816, 147134, 169770, 203724, 220701, 226360, 254655, 271632, 294268, 339540, 367835, 407448, 441402, 452720, 509310, 588536, 662103, 679080, 735670, 814896, 882804, 956371, 1018620, 1103505, 1177072, 1324206, 1358160, 1471340, 1765608, 1912742, 2037240, 2207010, 2648412, 2869113, 2942680, 3310515, 3531216, 3825484, 4074480, 4414020, 4781855, 5296824, 5738226, 5885360, 6621030, 7650968, 8607339, 8828040, 9563710, 10593648, 11476452, 13242060, 14345565, 15301936, 17214678, 17656080, 19127420, 22952904, 26484120, 28691130, 34429356, 38254840, 43036695, 45905808, 52968240, 57382260, 68858712, 76509680, 86073390, 114764520, 137717424, 172146780, 229529040, 344293560, 688587120]

約数ペア:

[(1, 688587120), (2, 344293560), (3, 229529040), (4, 172146780), (5, 137717424), (6, 114764520), (8, 86073390), (9, 76509680), (10, 68858712), (12, 57382260), (13, 52968240), (15, 45905808), (16, 43036695), (18, 38254840), (20, 34429356), (24, 28691130), (26, 26484120), (30, 22952904), (36, 19127420), (39, 17656080), (40, 17214678), (45, 15301936), (48, 14345565), (52, 13242060), (60, 11476452), (65, 10593648), (72, 9563710), (78, 8828040), (80, 8607339), (90, 7650968), (104, 6621030), (117, 5885360), (120, 5738226), (130, 5296824), (144, 4781855), (156, 4414020), (169, 4074480), (180, 3825484), (195, 3531216), (208, 3310515), (234, 2942680), (240, 2869113), (260, 2648412), (312, 2207010), (338, 2037240), (360, 1912742), (390, 1765608), (468, 1471340), (507, 1358160), (520, 1324206), (585, 1177072), (624, 1103505), (676, 1018620), (720, 956371), (780, 882804), (845, 814896), (936, 735670), (1014, 679080), (1040, 662103), (1170, 588536), (1352, 509310), (1521, 452720), (1560, 441402), (1690, 407448), (1872, 367835), (2028, 339540), (2340, 294268), (2535, 271632), (2704, 254655), (3042, 226360), (3120, 220701), (3380, 203724), (4056, 169770), (4680, 147134), (5070, 135816), (5659, 121680), (6084, 113180), (6760, 101862), (7605, 90544), (8112, 84885), (9360, 73567), (10140, 67908), (11318, 60840), (12168, 56590), (13520, 50931), (15210, 45272), (16977, 40560), (20280, 33954), (22636, 30420), (24336, 28295)]