786277520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2645

約数の個数: 120

約数和(自身を含む): 2154326400

約数和(自身を除く): 1368048880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 784, 790, 980, 1106, 1264, 1580, 1960, 2212, 2539, 2765, 3160, 3871, 3920, 4424, 5078, 5530, 6320, 7742, 8848, 10156, 11060, 12695, 15484, 17773, 19355, 20312, 22120, 25390, 30968, 35546, 38710, 40624, 44240, 50780, 61936, 71092, 77420, 88865, 101560, 124411, 142184, 154840, 177730, 200581, 203120, 248822, 284368, 309680, 355460, 401162, 497644, 622055, 710920, 802324, 995288, 1002905, 1244110, 1404067, 1421840, 1604648, 1990576, 2005810, 2488220, 2808134, 3209296, 4011620, 4976440, 5616268, 7020335, 8023240, 9828469, 9952880, 11232536, 14040670, 16046480, 19656938, 22465072, 28081340, 39313876, 49142345, 56162680, 78627752, 98284690, 112325360, 157255504, 196569380, 393138760, 786277520]

約数ペア:

[(1, 786277520), (2, 393138760), (4, 196569380), (5, 157255504), (7, 112325360), (8, 98284690), (10, 78627752), (14, 56162680), (16, 49142345), (20, 39313876), (28, 28081340), (35, 22465072), (40, 19656938), (49, 16046480), (56, 14040670), (70, 11232536), (79, 9952880), (80, 9828469), (98, 8023240), (112, 7020335), (140, 5616268), (158, 4976440), (196, 4011620), (245, 3209296), (280, 2808134), (316, 2488220), (392, 2005810), (395, 1990576), (490, 1604648), (553, 1421840), (560, 1404067), (632, 1244110), (784, 1002905), (790, 995288), (980, 802324), (1106, 710920), (1264, 622055), (1580, 497644), (1960, 401162), (2212, 355460), (2539, 309680), (2765, 284368), (3160, 248822), (3871, 203120), (3920, 200581), (4424, 177730), (5078, 154840), (5530, 142184), (6320, 124411), (7742, 101560), (8848, 88865), (10156, 77420), (11060, 71092), (12695, 61936), (15484, 50780), (17773, 44240), (19355, 40624), (20312, 38710), (22120, 35546), (25390, 30968)]