155251840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 128

約数和(自身を含む): 396576000

約数和(自身を除く): 241324160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 92, 106, 115, 128, 160, 184, 199, 212, 230, 265, 320, 368, 398, 424, 460, 530, 640, 736, 796, 848, 920, 995, 1060, 1219, 1472, 1592, 1696, 1840, 1990, 2120, 2438, 2944, 3184, 3392, 3680, 3980, 4240, 4577, 4876, 6095, 6368, 6784, 7360, 7960, 8480, 9154, 9752, 10547, 12190, 12736, 14720, 15920, 16960, 18308, 19504, 21094, 22885, 24380, 25472, 31840, 33920, 36616, 39008, 42188, 45770, 48760, 52735, 63680, 73232, 78016, 84376, 91540, 97520, 105470, 127360, 146464, 156032, 168752, 183080, 195040, 210940, 242581, 292928, 337504, 366160, 390080, 421880, 485162, 585856, 675008, 732320, 780160, 843760, 970324, 1212905, 1350016, 1464640, 1687520, 1940648, 2425810, 2929280, 3375040, 3881296, 4851620, 6750080, 7762592, 9703240, 15525184, 19406480, 31050368, 38812960, 77625920, 155251840]

約数ペア:

[(1, 155251840), (2, 77625920), (4, 38812960), (5, 31050368), (8, 19406480), (10, 15525184), (16, 9703240), (20, 7762592), (23, 6750080), (32, 4851620), (40, 3881296), (46, 3375040), (53, 2929280), (64, 2425810), (80, 1940648), (92, 1687520), (106, 1464640), (115, 1350016), (128, 1212905), (160, 970324), (184, 843760), (199, 780160), (212, 732320), (230, 675008), (265, 585856), (320, 485162), (368, 421880), (398, 390080), (424, 366160), (460, 337504), (530, 292928), (640, 242581), (736, 210940), (796, 195040), (848, 183080), (920, 168752), (995, 156032), (1060, 146464), (1219, 127360), (1472, 105470), (1592, 97520), (1696, 91540), (1840, 84376), (1990, 78016), (2120, 73232), (2438, 63680), (2944, 52735), (3184, 48760), (3392, 45770), (3680, 42188), (3980, 39008), (4240, 36616), (4577, 33920), (4876, 31840), (6095, 25472), (6368, 24380), (6784, 22885), (7360, 21094), (7960, 19504), (8480, 18308), (9154, 16960), (9752, 15920), (10547, 14720), (12190, 12736)]