218368640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:722

約数の個数: 128

約数和(自身を含む): 605145600

約数和(自身を除く): 386776960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 617, 632, 640, 790, 896, 1106, 1120, 1234, 1264, 1580, 2212, 2240, 2468, 2528, 2765, 3085, 3160, 4319, 4424, 4480, 4936, 5056, 5530, 6170, 6320, 8638, 8848, 9872, 10112, 11060, 12340, 12640, 17276, 17696, 19744, 21595, 22120, 24680, 25280, 34552, 35392, 39488, 43190, 44240, 48743, 49360, 50560, 69104, 70784, 78976, 86380, 88480, 97486, 98720, 138208, 172760, 176960, 194972, 197440, 243715, 276416, 341201, 345520, 353920, 389944, 394880, 487430, 552832, 682402, 691040, 779888, 974860, 1364804, 1382080, 1559776, 1706005, 1949720, 2729608, 2764160, 3119552, 3412010, 3899440, 5459216, 6239104, 6824020, 7798880, 10918432, 13648040, 15597760, 21836864, 27296080, 31195520, 43673728, 54592160, 109184320, 218368640]

約数ペア:

[(1, 218368640), (2, 109184320), (4, 54592160), (5, 43673728), (7, 31195520), (8, 27296080), (10, 21836864), (14, 15597760), (16, 13648040), (20, 10918432), (28, 7798880), (32, 6824020), (35, 6239104), (40, 5459216), (56, 3899440), (64, 3412010), (70, 3119552), (79, 2764160), (80, 2729608), (112, 1949720), (128, 1706005), (140, 1559776), (158, 1382080), (160, 1364804), (224, 974860), (280, 779888), (316, 691040), (320, 682402), (395, 552832), (448, 487430), (553, 394880), (560, 389944), (617, 353920), (632, 345520), (640, 341201), (790, 276416), (896, 243715), (1106, 197440), (1120, 194972), (1234, 176960), (1264, 172760), (1580, 138208), (2212, 98720), (2240, 97486), (2468, 88480), (2528, 86380), (2765, 78976), (3085, 70784), (3160, 69104), (4319, 50560), (4424, 49360), (4480, 48743), (4936, 44240), (5056, 43190), (5530, 39488), (6170, 35392), (6320, 34552), (8638, 25280), (8848, 24680), (9872, 22120), (10112, 21595), (11060, 19744), (12340, 17696), (12640, 17276)]