215415760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 587774880

約数和(自身を除く): 372359120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 179, 196, 245, 280, 307, 358, 392, 490, 560, 614, 716, 784, 895, 980, 1228, 1253, 1432, 1535, 1790, 1960, 2149, 2456, 2506, 2864, 3070, 3580, 3920, 4298, 4912, 5012, 6140, 6265, 7160, 8596, 8771, 10024, 10745, 12280, 12530, 14320, 15043, 17192, 17542, 20048, 21490, 24560, 25060, 30086, 34384, 35084, 42980, 43855, 50120, 54953, 60172, 70168, 75215, 85960, 87710, 100240, 109906, 120344, 140336, 150430, 171920, 175420, 219812, 240688, 274765, 300860, 350840, 384671, 439624, 549530, 601720, 701680, 769342, 879248, 1099060, 1203440, 1538684, 1923355, 2198120, 2692697, 3077368, 3846710, 4396240, 5385394, 6154736, 7693420, 10770788, 13463485, 15386840, 21541576, 26926970, 30773680, 43083152, 53853940, 107707880, 215415760]

約数ペア:

[(1, 215415760), (2, 107707880), (4, 53853940), (5, 43083152), (7, 30773680), (8, 26926970), (10, 21541576), (14, 15386840), (16, 13463485), (20, 10770788), (28, 7693420), (35, 6154736), (40, 5385394), (49, 4396240), (56, 3846710), (70, 3077368), (80, 2692697), (98, 2198120), (112, 1923355), (140, 1538684), (179, 1203440), (196, 1099060), (245, 879248), (280, 769342), (307, 701680), (358, 601720), (392, 549530), (490, 439624), (560, 384671), (614, 350840), (716, 300860), (784, 274765), (895, 240688), (980, 219812), (1228, 175420), (1253, 171920), (1432, 150430), (1535, 140336), (1790, 120344), (1960, 109906), (2149, 100240), (2456, 87710), (2506, 85960), (2864, 75215), (3070, 70168), (3580, 60172), (3920, 54953), (4298, 50120), (4912, 43855), (5012, 42980), (6140, 35084), (6265, 34384), (7160, 30086), (8596, 25060), (8771, 24560), (10024, 21490), (10745, 20048), (12280, 17542), (12530, 17192), (14320, 15043)]