281534760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1472

約数の個数: 192

約数和(自身を含む): 1009008000

約数和(自身を除く): 727473240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 104, 117, 120, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 645, 774, 780, 860, 936, 1032, 1118, 1170, 1290, 1399, 1548, 1560, 1677, 1720, 1935, 2236, 2340, 2580, 2795, 2798, 3096, 3354, 3870, 4197, 4472, 4680, 5031, 5160, 5590, 5596, 6708, 6995, 7740, 8385, 8394, 10062, 11180, 11192, 12591, 13416, 13990, 15480, 16770, 16788, 18187, 20124, 20985, 22360, 25155, 25182, 27980, 33540, 33576, 36374, 40248, 41970, 50310, 50364, 54561, 55960, 60157, 62955, 67080, 72748, 83940, 90935, 100620, 100728, 109122, 120314, 125910, 145496, 163683, 167880, 180471, 181870, 201240, 218244, 240628, 251820, 272805, 300785, 327366, 360942, 363740, 436488, 481256, 503640, 541413, 545610, 601570, 654732, 721884, 727480, 782041, 818415, 902355, 1082826, 1091220, 1203140, 1309464, 1443768, 1564082, 1636830, 1804710, 2165652, 2182440, 2346123, 2406280, 2707065, 3128164, 3273660, 3609420, 3910205, 4331304, 4692246, 5414130, 6256328, 6547320, 7038369, 7218840, 7820410, 9384492, 10828260, 11730615, 14076738, 15640820, 18768984, 21656520, 23461230, 28153476, 31281640, 35191845, 46922460, 56306952, 70383690, 93844920, 140767380, 281534760]

約数ペア:

[(1, 281534760), (2, 140767380), (3, 93844920), (4, 70383690), (5, 56306952), (6, 46922460), (8, 35191845), (9, 31281640), (10, 28153476), (12, 23461230), (13, 21656520), (15, 18768984), (18, 15640820), (20, 14076738), (24, 11730615), (26, 10828260), (30, 9384492), (36, 7820410), (39, 7218840), (40, 7038369), (43, 6547320), (45, 6256328), (52, 5414130), (60, 4692246), (65, 4331304), (72, 3910205), (78, 3609420), (86, 3273660), (90, 3128164), (104, 2707065), (117, 2406280), (120, 2346123), (129, 2182440), (130, 2165652), (156, 1804710), (172, 1636830), (180, 1564082), (195, 1443768), (215, 1309464), (234, 1203140), (258, 1091220), (260, 1082826), (312, 902355), (344, 818415), (360, 782041), (387, 727480), (390, 721884), (430, 654732), (468, 601570), (516, 545610), (520, 541413), (559, 503640), (585, 481256), (645, 436488), (774, 363740), (780, 360942), (860, 327366), (936, 300785), (1032, 272805), (1118, 251820), (1170, 240628), (1290, 218244), (1399, 201240), (1548, 181870), (1560, 180471), (1677, 167880), (1720, 163683), (1935, 145496), (2236, 125910), (2340, 120314), (2580, 109122), (2795, 100728), (2798, 100620), (3096, 90935), (3354, 83940), (3870, 72748), (4197, 67080), (4472, 62955), (4680, 60157), (5031, 55960), (5160, 54561), (5590, 50364), (5596, 50310), (6708, 41970), (6995, 40248), (7740, 36374), (8385, 33576), (8394, 33540), (10062, 27980), (11180, 25182), (11192, 25155), (12591, 22360), (13416, 20985), (13990, 20124), (15480, 18187), (16770, 16788)]