163945680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 540739200

約数和(自身を除く): 376793520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 157, 190, 228, 229, 240, 285, 304, 314, 380, 456, 458, 471, 570, 628, 687, 760, 785, 912, 916, 942, 1140, 1145, 1256, 1374, 1520, 1570, 1832, 1884, 2280, 2290, 2355, 2512, 2748, 2983, 3140, 3435, 3664, 3768, 4351, 4560, 4580, 4710, 5496, 5966, 6280, 6870, 7536, 8702, 8949, 9160, 9420, 10992, 11932, 12560, 13053, 13740, 14915, 17404, 17898, 18320, 18840, 21755, 23864, 26106, 27480, 29830, 34808, 35796, 35953, 37680, 43510, 44745, 47728, 52212, 54960, 59660, 65265, 69616, 71592, 71906, 87020, 89490, 104424, 107859, 119320, 130530, 143184, 143812, 174040, 178980, 179765, 208848, 215718, 238640, 261060, 287624, 348080, 357960, 359530, 431436, 522120, 539295, 575248, 683107, 715920, 719060, 862872, 1044240, 1078590, 1366214, 1438120, 1725744, 2049321, 2157180, 2732428, 2876240, 3415535, 4098642, 4314360, 5464856, 6831070, 8197284, 8628720, 10246605, 10929712, 13662140, 16394568, 20493210, 27324280, 32789136, 40986420, 54648560, 81972840, 163945680]

約数ペア:

[(1, 163945680), (2, 81972840), (3, 54648560), (4, 40986420), (5, 32789136), (6, 27324280), (8, 20493210), (10, 16394568), (12, 13662140), (15, 10929712), (16, 10246605), (19, 8628720), (20, 8197284), (24, 6831070), (30, 5464856), (38, 4314360), (40, 4098642), (48, 3415535), (57, 2876240), (60, 2732428), (76, 2157180), (80, 2049321), (95, 1725744), (114, 1438120), (120, 1366214), (152, 1078590), (157, 1044240), (190, 862872), (228, 719060), (229, 715920), (240, 683107), (285, 575248), (304, 539295), (314, 522120), (380, 431436), (456, 359530), (458, 357960), (471, 348080), (570, 287624), (628, 261060), (687, 238640), (760, 215718), (785, 208848), (912, 179765), (916, 178980), (942, 174040), (1140, 143812), (1145, 143184), (1256, 130530), (1374, 119320), (1520, 107859), (1570, 104424), (1832, 89490), (1884, 87020), (2280, 71906), (2290, 71592), (2355, 69616), (2512, 65265), (2748, 59660), (2983, 54960), (3140, 52212), (3435, 47728), (3664, 44745), (3768, 43510), (4351, 37680), (4560, 35953), (4580, 35796), (4710, 34808), (5496, 29830), (5966, 27480), (6280, 26106), (6870, 23864), (7536, 21755), (8702, 18840), (8949, 18320), (9160, 17898), (9420, 17404), (10992, 14915), (11932, 13740), (12560, 13053)]