320838480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 180

約数和(自身を含む): 1107700308

約数和(自身を除く): 786861828

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 241, 258, 344, 360, 387, 430, 482, 516, 645, 688, 720, 723, 774, 860, 964, 1032, 1205, 1290, 1446, 1548, 1720, 1849, 1928, 1935, 2064, 2169, 2410, 2580, 2892, 3096, 3440, 3615, 3698, 3856, 3870, 4338, 4820, 5160, 5547, 5784, 6192, 7230, 7396, 7740, 8676, 9245, 9640, 10320, 10363, 10845, 11094, 11568, 14460, 14792, 15480, 16641, 17352, 18490, 19280, 20726, 21690, 22188, 27735, 28920, 29584, 30960, 31089, 33282, 34704, 36980, 41452, 43380, 44376, 51815, 55470, 57840, 62178, 66564, 73960, 82904, 83205, 86760, 88752, 93267, 103630, 110940, 124356, 133128, 147920, 155445, 165808, 166410, 173520, 186534, 207260, 221880, 248712, 266256, 310890, 332820, 373068, 414520, 443760, 445609, 466335, 497424, 621780, 665640, 746136, 829040, 891218, 932670, 1243560, 1331280, 1336827, 1492272, 1782436, 1865340, 2228045, 2487120, 2673654, 3564872, 3730680, 4010481, 4456090, 5347308, 6684135, 7129744, 7461360, 8020962, 8912180, 10694616, 13368270, 16041924, 17824360, 20052405, 21389232, 26736540, 32083848, 35648720, 40104810, 53473080, 64167696, 80209620, 106946160, 160419240, 320838480]

約数ペア:

[(1, 320838480), (2, 160419240), (3, 106946160), (4, 80209620), (5, 64167696), (6, 53473080), (8, 40104810), (9, 35648720), (10, 32083848), (12, 26736540), (15, 21389232), (16, 20052405), (18, 17824360), (20, 16041924), (24, 13368270), (30, 10694616), (36, 8912180), (40, 8020962), (43, 7461360), (45, 7129744), (48, 6684135), (60, 5347308), (72, 4456090), (80, 4010481), (86, 3730680), (90, 3564872), (120, 2673654), (129, 2487120), (144, 2228045), (172, 1865340), (180, 1782436), (215, 1492272), (240, 1336827), (241, 1331280), (258, 1243560), (344, 932670), (360, 891218), (387, 829040), (430, 746136), (482, 665640), (516, 621780), (645, 497424), (688, 466335), (720, 445609), (723, 443760), (774, 414520), (860, 373068), (964, 332820), (1032, 310890), (1205, 266256), (1290, 248712), (1446, 221880), (1548, 207260), (1720, 186534), (1849, 173520), (1928, 166410), (1935, 165808), (2064, 155445), (2169, 147920), (2410, 133128), (2580, 124356), (2892, 110940), (3096, 103630), (3440, 93267), (3615, 88752), (3698, 86760), (3856, 83205), (3870, 82904), (4338, 73960), (4820, 66564), (5160, 62178), (5547, 57840), (5784, 55470), (6192, 51815), (7230, 44376), (7396, 43380), (7740, 41452), (8676, 36980), (9245, 34704), (9640, 33282), (10320, 31089), (10363, 30960), (10845, 29584), (11094, 28920), (11568, 27735), (14460, 22188), (14792, 21690), (15480, 20726), (16641, 19280), (17352, 18490)]