78806340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 255790080

約数和(自身を除く): 176983740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 487, 522, 558, 580, 620, 870, 899, 930, 974, 1044, 1116, 1305, 1395, 1461, 1740, 1798, 1860, 1948, 2435, 2610, 2697, 2790, 2922, 3596, 4383, 4495, 4870, 5220, 5394, 5580, 5844, 7305, 8091, 8766, 8990, 9740, 10788, 13485, 14123, 14610, 15097, 16182, 17532, 17980, 21915, 26970, 28246, 29220, 30194, 32364, 40455, 42369, 43830, 45291, 53940, 56492, 60388, 70615, 75485, 80910, 84738, 87660, 90582, 127107, 135873, 141230, 150970, 161820, 169476, 181164, 211845, 226455, 254214, 271746, 282460, 301940, 423690, 437813, 452910, 508428, 543492, 635535, 679365, 847380, 875626, 905820, 1271070, 1313439, 1358730, 1751252, 2189065, 2542140, 2626878, 2717460, 3940317, 4378130, 5253756, 6567195, 7880634, 8756260, 13134390, 15761268, 19701585, 26268780, 39403170, 78806340]

約数ペア:

[(1, 78806340), (2, 39403170), (3, 26268780), (4, 19701585), (5, 15761268), (6, 13134390), (9, 8756260), (10, 7880634), (12, 6567195), (15, 5253756), (18, 4378130), (20, 3940317), (29, 2717460), (30, 2626878), (31, 2542140), (36, 2189065), (45, 1751252), (58, 1358730), (60, 1313439), (62, 1271070), (87, 905820), (90, 875626), (93, 847380), (116, 679365), (124, 635535), (145, 543492), (155, 508428), (174, 452910), (180, 437813), (186, 423690), (261, 301940), (279, 282460), (290, 271746), (310, 254214), (348, 226455), (372, 211845), (435, 181164), (465, 169476), (487, 161820), (522, 150970), (558, 141230), (580, 135873), (620, 127107), (870, 90582), (899, 87660), (930, 84738), (974, 80910), (1044, 75485), (1116, 70615), (1305, 60388), (1395, 56492), (1461, 53940), (1740, 45291), (1798, 43830), (1860, 42369), (1948, 40455), (2435, 32364), (2610, 30194), (2697, 29220), (2790, 28246), (2922, 26970), (3596, 21915), (4383, 17980), (4495, 17532), (4870, 16182), (5220, 15097), (5394, 14610), (5580, 14123), (5844, 13485), (7305, 10788), (8091, 9740), (8766, 8990)]