16397360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 45800640

約数和(自身を除く): 29403280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 89, 94, 98, 112, 140, 178, 188, 196, 235, 245, 280, 329, 356, 376, 392, 445, 470, 490, 560, 623, 658, 712, 752, 784, 890, 940, 980, 1246, 1316, 1424, 1645, 1780, 1880, 1960, 2303, 2492, 2632, 3115, 3290, 3560, 3760, 3920, 4183, 4361, 4606, 4984, 5264, 6230, 6580, 7120, 8366, 8722, 9212, 9968, 11515, 12460, 13160, 16732, 17444, 18424, 20915, 21805, 23030, 24920, 26320, 29281, 33464, 34888, 36848, 41830, 43610, 46060, 49840, 58562, 66928, 69776, 83660, 87220, 92120, 117124, 146405, 167320, 174440, 184240, 204967, 234248, 292810, 334640, 348880, 409934, 468496, 585620, 819868, 1024835, 1171240, 1639736, 2049670, 2342480, 3279472, 4099340, 8198680, 16397360]

約数ペア:

[(1, 16397360), (2, 8198680), (4, 4099340), (5, 3279472), (7, 2342480), (8, 2049670), (10, 1639736), (14, 1171240), (16, 1024835), (20, 819868), (28, 585620), (35, 468496), (40, 409934), (47, 348880), (49, 334640), (56, 292810), (70, 234248), (80, 204967), (89, 184240), (94, 174440), (98, 167320), (112, 146405), (140, 117124), (178, 92120), (188, 87220), (196, 83660), (235, 69776), (245, 66928), (280, 58562), (329, 49840), (356, 46060), (376, 43610), (392, 41830), (445, 36848), (470, 34888), (490, 33464), (560, 29281), (623, 26320), (658, 24920), (712, 23030), (752, 21805), (784, 20915), (890, 18424), (940, 17444), (980, 16732), (1246, 13160), (1316, 12460), (1424, 11515), (1645, 9968), (1780, 9212), (1880, 8722), (1960, 8366), (2303, 7120), (2492, 6580), (2632, 6230), (3115, 5264), (3290, 4984), (3560, 4606), (3760, 4361), (3920, 4183)]