440900640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 216

約数和(自身を含む): 1547566020

約数和(自身を除く): 1106665380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 109, 120, 144, 159, 160, 180, 212, 218, 240, 265, 288, 318, 327, 360, 424, 436, 477, 480, 530, 545, 636, 654, 720, 795, 848, 872, 954, 981, 1060, 1090, 1272, 1308, 1440, 1590, 1635, 1696, 1744, 1908, 1962, 2120, 2180, 2385, 2544, 2616, 2809, 3180, 3270, 3488, 3816, 3924, 4240, 4360, 4770, 4905, 5088, 5232, 5618, 5777, 6360, 6540, 7632, 7848, 8427, 8480, 8720, 9540, 9810, 10464, 11236, 11554, 12720, 13080, 14045, 15264, 15696, 16854, 17331, 17440, 19080, 19620, 22472, 23108, 25281, 25440, 26160, 28090, 28885, 31392, 33708, 34662, 38160, 39240, 42135, 44944, 46216, 50562, 51993, 52320, 56180, 57770, 67416, 69324, 76320, 78480, 84270, 86655, 89888, 92432, 101124, 103986, 112360, 115540, 126405, 134832, 138648, 156960, 168540, 173310, 184864, 202248, 207972, 224720, 231080, 252810, 259965, 269664, 277296, 306181, 337080, 346620, 404496, 415944, 449440, 462160, 505620, 519930, 554592, 612362, 674160, 693240, 808992, 831888, 918543, 924320, 1011240, 1039860, 1224724, 1348320, 1386480, 1530905, 1663776, 1837086, 2022480, 2079720, 2449448, 2755629, 2772960, 3061810, 3674172, 4044960, 4159440, 4592715, 4898896, 5511258, 6123620, 7348344, 8318880, 9185430, 9797792, 11022516, 12247240, 13778145, 14696688, 18370860, 22045032, 24494480, 27556290, 29393376, 36741720, 44090064, 48988960, 55112580, 73483440, 88180128, 110225160, 146966880, 220450320, 440900640]

約数ペア:

[(1, 440900640), (2, 220450320), (3, 146966880), (4, 110225160), (5, 88180128), (6, 73483440), (8, 55112580), (9, 48988960), (10, 44090064), (12, 36741720), (15, 29393376), (16, 27556290), (18, 24494480), (20, 22045032), (24, 18370860), (30, 14696688), (32, 13778145), (36, 12247240), (40, 11022516), (45, 9797792), (48, 9185430), (53, 8318880), (60, 7348344), (72, 6123620), (80, 5511258), (90, 4898896), (96, 4592715), (106, 4159440), (109, 4044960), (120, 3674172), (144, 3061810), (159, 2772960), (160, 2755629), (180, 2449448), (212, 2079720), (218, 2022480), (240, 1837086), (265, 1663776), (288, 1530905), (318, 1386480), (327, 1348320), (360, 1224724), (424, 1039860), (436, 1011240), (477, 924320), (480, 918543), (530, 831888), (545, 808992), (636, 693240), (654, 674160), (720, 612362), (795, 554592), (848, 519930), (872, 505620), (954, 462160), (981, 449440), (1060, 415944), (1090, 404496), (1272, 346620), (1308, 337080), (1440, 306181), (1590, 277296), (1635, 269664), (1696, 259965), (1744, 252810), (1908, 231080), (1962, 224720), (2120, 207972), (2180, 202248), (2385, 184864), (2544, 173310), (2616, 168540), (2809, 156960), (3180, 138648), (3270, 134832), (3488, 126405), (3816, 115540), (3924, 112360), (4240, 103986), (4360, 101124), (4770, 92432), (4905, 89888), (5088, 86655), (5232, 84270), (5618, 78480), (5777, 76320), (6360, 69324), (6540, 67416), (7632, 57770), (7848, 56180), (8427, 52320), (8480, 51993), (8720, 50562), (9540, 46216), (9810, 44944), (10464, 42135), (11236, 39240), (11554, 38160), (12720, 34662), (13080, 33708), (14045, 31392), (15264, 28885), (15696, 28090), (16854, 26160), (17331, 25440), (17440, 25281), (19080, 23108), (19620, 22472)]