280347480

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 320

約数和(自身を含む): 1103984640

約数和(自身を除く): 823637160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 81, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 162, 168, 180, 188, 189, 210, 216, 235, 252, 263, 270, 280, 282, 315, 324, 329, 360, 376, 378, 405, 420, 423, 470, 504, 526, 540, 564, 567, 630, 648, 658, 705, 756, 789, 810, 840, 846, 940, 945, 987, 1052, 1080, 1128, 1134, 1260, 1269, 1315, 1316, 1410, 1512, 1578, 1620, 1645, 1692, 1841, 1880, 1890, 1974, 2104, 2115, 2268, 2367, 2520, 2538, 2630, 2632, 2820, 2835, 2961, 3156, 3240, 3290, 3384, 3682, 3780, 3807, 3945, 3948, 4230, 4536, 4734, 4935, 5076, 5260, 5523, 5640, 5670, 5922, 6312, 6345, 6580, 7101, 7364, 7560, 7614, 7890, 7896, 8460, 8883, 9205, 9468, 9870, 10152, 10520, 11046, 11340, 11835, 11844, 12361, 12690, 13160, 14202, 14728, 14805, 15228, 15780, 16569, 16920, 17766, 18410, 18936, 19035, 19740, 21303, 22092, 22680, 23670, 23688, 24722, 25380, 26649, 27615, 28404, 29610, 30456, 31560, 33138, 35505, 35532, 36820, 37083, 38070, 39480, 42606, 44184, 44415, 47340, 49444, 49707, 50760, 53298, 55230, 56808, 59220, 61805, 66276, 71010, 71064, 73640, 74166, 76140, 82845, 85212, 86527, 88830, 94680, 98888, 99414, 106515, 106596, 110460, 111249, 118440, 123610, 132552, 133245, 142020, 148332, 149121, 152280, 165690, 170424, 173054, 177660, 185415, 198828, 213030, 213192, 220920, 222498, 247220, 248535, 259581, 266490, 284040, 296664, 298242, 331380, 333747, 346108, 355320, 370830, 397656, 426060, 432635, 444996, 494440, 497070, 519162, 532980, 556245, 596484, 662760, 667494, 692216, 741660, 745605, 778743, 852120, 865270, 889992, 994140, 1001241, 1038324, 1065960, 1112490, 1192968, 1297905, 1334988, 1483320, 1491210, 1557486, 1668735, 1730540, 1988280, 2002482, 2076648, 2224980, 2336229, 2595810, 2669976, 2982420, 3114972, 3337470, 3461080, 3893715, 4004964, 4449960, 4672458, 5006205, 5191620, 5964840, 6229944, 6674940, 7008687, 7787430, 8009928, 9344916, 10012410, 10383240, 11681145, 13349880, 14017374, 15574860, 18689832, 20024820, 23362290, 28034748, 31149720, 35043435, 40049640, 46724580, 56069496, 70086870, 93449160, 140173740, 280347480]

約数ペア:

[(1, 280347480), (2, 140173740), (3, 93449160), (4, 70086870), (5, 56069496), (6, 46724580), (7, 40049640), (8, 35043435), (9, 31149720), (10, 28034748), (12, 23362290), (14, 20024820), (15, 18689832), (18, 15574860), (20, 14017374), (21, 13349880), (24, 11681145), (27, 10383240), (28, 10012410), (30, 9344916), (35, 8009928), (36, 7787430), (40, 7008687), (42, 6674940), (45, 6229944), (47, 5964840), (54, 5191620), (56, 5006205), (60, 4672458), (63, 4449960), (70, 4004964), (72, 3893715), (81, 3461080), (84, 3337470), (90, 3114972), (94, 2982420), (105, 2669976), (108, 2595810), (120, 2336229), (126, 2224980), (135, 2076648), (140, 2002482), (141, 1988280), (162, 1730540), (168, 1668735), (180, 1557486), (188, 1491210), (189, 1483320), (210, 1334988), (216, 1297905), (235, 1192968), (252, 1112490), (263, 1065960), (270, 1038324), (280, 1001241), (282, 994140), (315, 889992), (324, 865270), (329, 852120), (360, 778743), (376, 745605), (378, 741660), (405, 692216), (420, 667494), (423, 662760), (470, 596484), (504, 556245), (526, 532980), (540, 519162), (564, 497070), (567, 494440), (630, 444996), (648, 432635), (658, 426060), (705, 397656), (756, 370830), (789, 355320), (810, 346108), (840, 333747), (846, 331380), (940, 298242), (945, 296664), (987, 284040), (1052, 266490), (1080, 259581), (1128, 248535), (1134, 247220), (1260, 222498), (1269, 220920), (1315, 213192), (1316, 213030), (1410, 198828), (1512, 185415), (1578, 177660), (1620, 173054), (1645, 170424), (1692, 165690), (1841, 152280), (1880, 149121), (1890, 148332), (1974, 142020), (2104, 133245), (2115, 132552), (2268, 123610), (2367, 118440), (2520, 111249), (2538, 110460), (2630, 106596), (2632, 106515), (2820, 99414), (2835, 98888), (2961, 94680), (3156, 88830), (3240, 86527), (3290, 85212), (3384, 82845), (3682, 76140), (3780, 74166), (3807, 73640), (3945, 71064), (3948, 71010), (4230, 66276), (4536, 61805), (4734, 59220), (4935, 56808), (5076, 55230), (5260, 53298), (5523, 50760), (5640, 49707), (5670, 49444), (5922, 47340), (6312, 44415), (6345, 44184), (6580, 42606), (7101, 39480), (7364, 38070), (7560, 37083), (7614, 36820), (7890, 35532), (7896, 35505), (8460, 33138), (8883, 31560), (9205, 30456), (9468, 29610), (9870, 28404), (10152, 27615), (10520, 26649), (11046, 25380), (11340, 24722), (11835, 23688), (11844, 23670), (12361, 22680), (12690, 22092), (13160, 21303), (14202, 19740), (14728, 19035), (14805, 18936), (15228, 18410), (15780, 17766), (16569, 16920)]