178739280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1705

約数の個数: 120

約数和(自身を含む): 604345248

約数和(自身を除く): 425605968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1523, 1630, 1956, 2445, 2608, 2934, 3046, 3260, 3912, 4569, 4890, 5868, 6092, 6520, 7335, 7615, 7824, 9138, 9780, 11736, 12184, 13040, 13707, 14670, 15230, 18276, 19560, 22845, 23472, 24368, 27414, 29340, 30460, 36552, 39120, 45690, 54828, 58680, 60920, 68535, 73104, 91380, 109656, 117360, 121840, 137070, 182760, 219312, 248249, 274140, 365520, 496498, 548280, 744747, 992996, 1096560, 1241245, 1489494, 1985992, 2234241, 2482490, 2978988, 3723735, 3971984, 4468482, 4964980, 5957976, 7447470, 8936964, 9929960, 11171205, 11915952, 14894940, 17873928, 19859920, 22342410, 29789880, 35747856, 44684820, 59579760, 89369640, 178739280]

約数ペア:

[(1, 178739280), (2, 89369640), (3, 59579760), (4, 44684820), (5, 35747856), (6, 29789880), (8, 22342410), (9, 19859920), (10, 17873928), (12, 14894940), (15, 11915952), (16, 11171205), (18, 9929960), (20, 8936964), (24, 7447470), (30, 5957976), (36, 4964980), (40, 4468482), (45, 3971984), (48, 3723735), (60, 2978988), (72, 2482490), (80, 2234241), (90, 1985992), (120, 1489494), (144, 1241245), (163, 1096560), (180, 992996), (240, 744747), (326, 548280), (360, 496498), (489, 365520), (652, 274140), (720, 248249), (815, 219312), (978, 182760), (1304, 137070), (1467, 121840), (1523, 117360), (1630, 109656), (1956, 91380), (2445, 73104), (2608, 68535), (2934, 60920), (3046, 58680), (3260, 54828), (3912, 45690), (4569, 39120), (4890, 36552), (5868, 30460), (6092, 29340), (6520, 27414), (7335, 24368), (7615, 23472), (7824, 22845), (9138, 19560), (9780, 18276), (11736, 15230), (12184, 14670), (13040, 13707)]