81085680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8663}}^1$

素因数の和:8695

約数の個数: 120

約数和(自身を含む): 293293728

約数和(自身を除く): 212208048

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, 2340, 3120, 4680, 8663, 9360, 17326, 25989, 34652, 43315, 51978, 69304, 77967, 86630, 103956, 112619, 129945, 138608, 155934, 173260, 207912, 225238, 259890, 311868, 337857, 346520, 389835, 415824, 450476, 519780, 563095, 623736, 675714, 693040, 779670, 900952, 1013571, 1039560, 1126190, 1247472, 1351428, 1559340, 1689285, 1801904, 2027142, 2079120, 2252380, 2702856, 3118680, 3378570, 4054284, 4504760, 5067855, 5405712, 6237360, 6757140, 8108568, 9009520, 10135710, 13514280, 16217136, 20271420, 27028560, 40542840, 81085680]

約数ペア:

[(1, 81085680), (2, 40542840), (3, 27028560), (4, 20271420), (5, 16217136), (6, 13514280), (8, 10135710), (9, 9009520), (10, 8108568), (12, 6757140), (13, 6237360), (15, 5405712), (16, 5067855), (18, 4504760), (20, 4054284), (24, 3378570), (26, 3118680), (30, 2702856), (36, 2252380), (39, 2079120), (40, 2027142), (45, 1801904), (48, 1689285), (52, 1559340), (60, 1351428), (65, 1247472), (72, 1126190), (78, 1039560), (80, 1013571), (90, 900952), (104, 779670), (117, 693040), (120, 675714), (130, 623736), (144, 563095), (156, 519780), (180, 450476), (195, 415824), (208, 389835), (234, 346520), (240, 337857), (260, 311868), (312, 259890), (360, 225238), (390, 207912), (468, 173260), (520, 155934), (585, 138608), (624, 129945), (720, 112619), (780, 103956), (936, 86630), (1040, 77967), (1170, 69304), (1560, 51978), (1872, 43315), (2340, 34652), (3120, 25989), (4680, 17326), (8663, 9360)]