18748080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2035

約数の個数: 120

約数和(自身を含む): 67839408

約数和(自身を除く): 49091328

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, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2003, 2340, 3120, 4006, 4680, 6009, 8012, 9360, 10015, 12018, 16024, 18027, 20030, 24036, 26039, 30045, 32048, 36054, 40060, 48072, 52078, 60090, 72108, 78117, 80120, 90135, 96144, 104156, 120180, 130195, 144216, 156234, 160240, 180270, 208312, 234351, 240360, 260390, 288432, 312468, 360540, 390585, 416624, 468702, 480720, 520780, 624936, 721080, 781170, 937404, 1041560, 1171755, 1249872, 1442160, 1562340, 1874808, 2083120, 2343510, 3124680, 3749616, 4687020, 6249360, 9374040, 18748080]

約数ペア:

[(1, 18748080), (2, 9374040), (3, 6249360), (4, 4687020), (5, 3749616), (6, 3124680), (8, 2343510), (9, 2083120), (10, 1874808), (12, 1562340), (13, 1442160), (15, 1249872), (16, 1171755), (18, 1041560), (20, 937404), (24, 781170), (26, 721080), (30, 624936), (36, 520780), (39, 480720), (40, 468702), (45, 416624), (48, 390585), (52, 360540), (60, 312468), (65, 288432), (72, 260390), (78, 240360), (80, 234351), (90, 208312), (104, 180270), (117, 160240), (120, 156234), (130, 144216), (144, 130195), (156, 120180), (180, 104156), (195, 96144), (208, 90135), (234, 80120), (240, 78117), (260, 72108), (312, 60090), (360, 52078), (390, 48072), (468, 40060), (520, 36054), (585, 32048), (624, 30045), (720, 26039), (780, 24036), (936, 20030), (1040, 18027), (1170, 16024), (1560, 12018), (1872, 10015), (2003, 9360), (2340, 8012), (3120, 6009), (4006, 4680)]