74487420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1960

約数の個数: 144

約数和(自身を含む): 266692608

約数和(自身を除く): 192205188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1907, 1953, 2170, 2604, 2790, 3255, 3814, 3906, 4340, 5580, 5721, 6510, 7628, 7812, 9535, 9765, 11442, 13020, 13349, 17163, 19070, 19530, 22884, 26698, 28605, 34326, 38140, 39060, 40047, 53396, 57210, 59117, 66745, 68652, 80094, 85815, 114420, 118234, 120141, 133490, 160188, 171630, 177351, 200235, 236468, 240282, 266980, 295585, 343260, 354702, 400470, 413819, 480564, 532053, 591170, 600705, 709404, 800940, 827638, 886755, 1064106, 1182340, 1201410, 1241457, 1655276, 1773510, 2069095, 2128212, 2402820, 2482914, 2660265, 3547020, 3724371, 4138190, 4965828, 5320530, 6207285, 7448742, 8276380, 10641060, 12414570, 14897484, 18621855, 24829140, 37243710, 74487420]

約数ペア:

[(1, 74487420), (2, 37243710), (3, 24829140), (4, 18621855), (5, 14897484), (6, 12414570), (7, 10641060), (9, 8276380), (10, 7448742), (12, 6207285), (14, 5320530), (15, 4965828), (18, 4138190), (20, 3724371), (21, 3547020), (28, 2660265), (30, 2482914), (31, 2402820), (35, 2128212), (36, 2069095), (42, 1773510), (45, 1655276), (60, 1241457), (62, 1201410), (63, 1182340), (70, 1064106), (84, 886755), (90, 827638), (93, 800940), (105, 709404), (124, 600705), (126, 591170), (140, 532053), (155, 480564), (180, 413819), (186, 400470), (210, 354702), (217, 343260), (252, 295585), (279, 266980), (310, 240282), (315, 236468), (372, 200235), (420, 177351), (434, 171630), (465, 160188), (558, 133490), (620, 120141), (630, 118234), (651, 114420), (868, 85815), (930, 80094), (1085, 68652), (1116, 66745), (1260, 59117), (1302, 57210), (1395, 53396), (1860, 40047), (1907, 39060), (1953, 38140), (2170, 34326), (2604, 28605), (2790, 26698), (3255, 22884), (3814, 19530), (3906, 19070), (4340, 17163), (5580, 13349), (5721, 13020), (6510, 11442), (7628, 9765), (7812, 9535)]