128757440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1294

約数の個数: 112

約数和(自身を含む): 358152192

約数和(自身を除く): 229394752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 320, 329, 376, 448, 470, 560, 658, 752, 940, 1120, 1223, 1316, 1504, 1645, 1880, 2240, 2446, 2632, 3008, 3290, 3760, 4892, 5264, 6115, 6580, 7520, 8561, 9784, 10528, 12230, 13160, 15040, 17122, 19568, 21056, 24460, 26320, 34244, 39136, 42805, 48920, 52640, 57481, 68488, 78272, 85610, 97840, 105280, 114962, 136976, 171220, 195680, 229924, 273952, 287405, 342440, 391360, 402367, 459848, 547904, 574810, 684880, 804734, 919696, 1149620, 1369760, 1609468, 1839392, 2011835, 2299240, 2739520, 3218936, 3678784, 4023670, 4598480, 6437872, 8047340, 9196960, 12875744, 16094680, 18393920, 25751488, 32189360, 64378720, 128757440]

約数ペア:

[(1, 128757440), (2, 64378720), (4, 32189360), (5, 25751488), (7, 18393920), (8, 16094680), (10, 12875744), (14, 9196960), (16, 8047340), (20, 6437872), (28, 4598480), (32, 4023670), (35, 3678784), (40, 3218936), (47, 2739520), (56, 2299240), (64, 2011835), (70, 1839392), (80, 1609468), (94, 1369760), (112, 1149620), (140, 919696), (160, 804734), (188, 684880), (224, 574810), (235, 547904), (280, 459848), (320, 402367), (329, 391360), (376, 342440), (448, 287405), (470, 273952), (560, 229924), (658, 195680), (752, 171220), (940, 136976), (1120, 114962), (1223, 105280), (1316, 97840), (1504, 85610), (1645, 78272), (1880, 68488), (2240, 57481), (2446, 52640), (2632, 48920), (3008, 42805), (3290, 39136), (3760, 34244), (4892, 26320), (5264, 24460), (6115, 21056), (6580, 19568), (7520, 17122), (8561, 15040), (9784, 13160), (10528, 12230)]