215834640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128473}}^1$

素因数の和:128496

約数の個数: 80

約数和(自身を含む): 764677248

約数和(自身を除く): 548842608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128473, 256946, 385419, 513892, 642365, 770838, 899311, 1027784, 1284730, 1541676, 1798622, 1927095, 2055568, 2569460, 2697933, 3083352, 3597244, 3854190, 4496555, 5138920, 5395866, 6166704, 7194488, 7708380, 8993110, 10277840, 10791732, 13489665, 14388976, 15416760, 17986220, 21583464, 26979330, 30833520, 35972440, 43166928, 53958660, 71944880, 107917320, 215834640]

約数ペア:

[(1, 215834640), (2, 107917320), (3, 71944880), (4, 53958660), (5, 43166928), (6, 35972440), (7, 30833520), (8, 26979330), (10, 21583464), (12, 17986220), (14, 15416760), (15, 14388976), (16, 13489665), (20, 10791732), (21, 10277840), (24, 8993110), (28, 7708380), (30, 7194488), (35, 6166704), (40, 5395866), (42, 5138920), (48, 4496555), (56, 3854190), (60, 3597244), (70, 3083352), (80, 2697933), (84, 2569460), (105, 2055568), (112, 1927095), (120, 1798622), (140, 1541676), (168, 1284730), (210, 1027784), (240, 899311), (280, 770838), (336, 642365), (420, 513892), (560, 385419), (840, 256946), (1680, 128473)]