280733520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:533

約数の個数: 160

約数和(自身を含む): 909941760

約数和(自身を除く): 629208240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 97, 120, 124, 155, 186, 194, 240, 248, 291, 310, 372, 388, 389, 465, 485, 496, 582, 620, 744, 776, 778, 930, 970, 1164, 1167, 1240, 1455, 1488, 1552, 1556, 1860, 1940, 1945, 2328, 2334, 2480, 2910, 3007, 3112, 3720, 3880, 3890, 4656, 4668, 5820, 5835, 6014, 6224, 7440, 7760, 7780, 9021, 9336, 11640, 11670, 12028, 12059, 15035, 15560, 18042, 18672, 23280, 23340, 24056, 24118, 30070, 31120, 36084, 36177, 37733, 45105, 46680, 48112, 48236, 60140, 60295, 72168, 72354, 75466, 90210, 93360, 96472, 113199, 120280, 120590, 144336, 144708, 150932, 180420, 180885, 188665, 192944, 226398, 240560, 241180, 289416, 301864, 360840, 361770, 377330, 452796, 482360, 565995, 578832, 603728, 721680, 723540, 754660, 905592, 964720, 1131990, 1169723, 1447080, 1509320, 1811184, 2263980, 2339446, 2894160, 3018640, 3509169, 4527960, 4678892, 5848615, 7018338, 9055920, 9357784, 11697230, 14036676, 17545845, 18715568, 23394460, 28073352, 35091690, 46788920, 56146704, 70183380, 93577840, 140366760, 280733520]

約数ペア:

[(1, 280733520), (2, 140366760), (3, 93577840), (4, 70183380), (5, 56146704), (6, 46788920), (8, 35091690), (10, 28073352), (12, 23394460), (15, 18715568), (16, 17545845), (20, 14036676), (24, 11697230), (30, 9357784), (31, 9055920), (40, 7018338), (48, 5848615), (60, 4678892), (62, 4527960), (80, 3509169), (93, 3018640), (97, 2894160), (120, 2339446), (124, 2263980), (155, 1811184), (186, 1509320), (194, 1447080), (240, 1169723), (248, 1131990), (291, 964720), (310, 905592), (372, 754660), (388, 723540), (389, 721680), (465, 603728), (485, 578832), (496, 565995), (582, 482360), (620, 452796), (744, 377330), (776, 361770), (778, 360840), (930, 301864), (970, 289416), (1164, 241180), (1167, 240560), (1240, 226398), (1455, 192944), (1488, 188665), (1552, 180885), (1556, 180420), (1860, 150932), (1940, 144708), (1945, 144336), (2328, 120590), (2334, 120280), (2480, 113199), (2910, 96472), (3007, 93360), (3112, 90210), (3720, 75466), (3880, 72354), (3890, 72168), (4656, 60295), (4668, 60140), (5820, 48236), (5835, 48112), (6014, 46680), (6224, 45105), (7440, 37733), (7760, 36177), (7780, 36084), (9021, 31120), (9336, 30070), (11640, 24118), (11670, 24056), (12028, 23340), (12059, 23280), (15035, 18672), (15560, 18042)]