255664440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{739}}^1$

素因数の和:818

約数の個数: 144

約数和(自身を含む): 859739400

約数和(自身を除く): 604074960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 739, 744, 930, 961, 1116, 1240, 1395, 1478, 1860, 1922, 2217, 2232, 2790, 2883, 2956, 3695, 3720, 3844, 4434, 4805, 5580, 5766, 5912, 6651, 7390, 7688, 8649, 8868, 9610, 11085, 11160, 11532, 13302, 14415, 14780, 17298, 17736, 19220, 22170, 22909, 23064, 26604, 28830, 29560, 33255, 34596, 38440, 43245, 44340, 45818, 53208, 57660, 66510, 68727, 69192, 86490, 88680, 91636, 114545, 115320, 133020, 137454, 172980, 183272, 206181, 229090, 266040, 274908, 343635, 345960, 412362, 458180, 549816, 687270, 710179, 824724, 916360, 1030905, 1374540, 1420358, 1649448, 2061810, 2130537, 2749080, 2840716, 3550895, 4123620, 4261074, 5681432, 6391611, 7101790, 8247240, 8522148, 10652685, 12783222, 14203580, 17044296, 21305370, 25566444, 28407160, 31958055, 42610740, 51132888, 63916110, 85221480, 127832220, 255664440]

約数ペア:

[(1, 255664440), (2, 127832220), (3, 85221480), (4, 63916110), (5, 51132888), (6, 42610740), (8, 31958055), (9, 28407160), (10, 25566444), (12, 21305370), (15, 17044296), (18, 14203580), (20, 12783222), (24, 10652685), (30, 8522148), (31, 8247240), (36, 7101790), (40, 6391611), (45, 5681432), (60, 4261074), (62, 4123620), (72, 3550895), (90, 2840716), (93, 2749080), (120, 2130537), (124, 2061810), (155, 1649448), (180, 1420358), (186, 1374540), (248, 1030905), (279, 916360), (310, 824724), (360, 710179), (372, 687270), (465, 549816), (558, 458180), (620, 412362), (739, 345960), (744, 343635), (930, 274908), (961, 266040), (1116, 229090), (1240, 206181), (1395, 183272), (1478, 172980), (1860, 137454), (1922, 133020), (2217, 115320), (2232, 114545), (2790, 91636), (2883, 88680), (2956, 86490), (3695, 69192), (3720, 68727), (3844, 66510), (4434, 57660), (4805, 53208), (5580, 45818), (5766, 44340), (5912, 43245), (6651, 38440), (7390, 34596), (7688, 33255), (8649, 29560), (8868, 28830), (9610, 26604), (11085, 23064), (11160, 22909), (11532, 22170), (13302, 19220), (14415, 17736), (14780, 17298)]