254369880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 192

約数和(自身を含む): 891371520

約数和(自身を除く): 637001640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 60, 62, 69, 72, 90, 92, 93, 115, 120, 124, 138, 155, 180, 184, 186, 207, 230, 248, 276, 279, 310, 345, 360, 372, 414, 460, 465, 552, 558, 620, 690, 713, 744, 828, 920, 930, 991, 1035, 1116, 1240, 1380, 1395, 1426, 1656, 1860, 1982, 2070, 2139, 2232, 2760, 2790, 2852, 2973, 3565, 3720, 3964, 4140, 4278, 4955, 5580, 5704, 5946, 6417, 7130, 7928, 8280, 8556, 8919, 9910, 10695, 11160, 11892, 12834, 14260, 14865, 17112, 17838, 19820, 21390, 22793, 23784, 25668, 28520, 29730, 30721, 32085, 35676, 39640, 42780, 44595, 45586, 51336, 59460, 61442, 64170, 68379, 71352, 85560, 89190, 91172, 92163, 113965, 118920, 122884, 128340, 136758, 153605, 178380, 182344, 184326, 205137, 227930, 245768, 256680, 273516, 276489, 307210, 341895, 356760, 368652, 410274, 455860, 460815, 547032, 552978, 614420, 683790, 706583, 737304, 820548, 911720, 921630, 1025685, 1105956, 1228840, 1367580, 1382445, 1413166, 1641096, 1843260, 2051370, 2119749, 2211912, 2735160, 2764890, 2826332, 3532915, 3686520, 4102740, 4239498, 5529780, 5652664, 6359247, 7065830, 8205480, 8478996, 10598745, 11059560, 12718494, 14131660, 16957992, 21197490, 25436988, 28263320, 31796235, 42394980, 50873976, 63592470, 84789960, 127184940, 254369880]

約数ペア:

[(1, 254369880), (2, 127184940), (3, 84789960), (4, 63592470), (5, 50873976), (6, 42394980), (8, 31796235), (9, 28263320), (10, 25436988), (12, 21197490), (15, 16957992), (18, 14131660), (20, 12718494), (23, 11059560), (24, 10598745), (30, 8478996), (31, 8205480), (36, 7065830), (40, 6359247), (45, 5652664), (46, 5529780), (60, 4239498), (62, 4102740), (69, 3686520), (72, 3532915), (90, 2826332), (92, 2764890), (93, 2735160), (115, 2211912), (120, 2119749), (124, 2051370), (138, 1843260), (155, 1641096), (180, 1413166), (184, 1382445), (186, 1367580), (207, 1228840), (230, 1105956), (248, 1025685), (276, 921630), (279, 911720), (310, 820548), (345, 737304), (360, 706583), (372, 683790), (414, 614420), (460, 552978), (465, 547032), (552, 460815), (558, 455860), (620, 410274), (690, 368652), (713, 356760), (744, 341895), (828, 307210), (920, 276489), (930, 273516), (991, 256680), (1035, 245768), (1116, 227930), (1240, 205137), (1380, 184326), (1395, 182344), (1426, 178380), (1656, 153605), (1860, 136758), (1982, 128340), (2070, 122884), (2139, 118920), (2232, 113965), (2760, 92163), (2790, 91172), (2852, 89190), (2973, 85560), (3565, 71352), (3720, 68379), (3964, 64170), (4140, 61442), (4278, 59460), (4955, 51336), (5580, 45586), (5704, 44595), (5946, 42780), (6417, 39640), (7130, 35676), (7928, 32085), (8280, 30721), (8556, 29730), (8919, 28520), (9910, 25668), (10695, 23784), (11160, 22793), (11892, 21390), (12834, 19820), (14260, 17838), (14865, 17112)]