28342440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 256

約数和(自身を含む): 113356800

約数和(自身を除く): 85014360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 161, 163, 168, 180, 184, 189, 207, 210, 216, 230, 252, 270, 276, 280, 315, 322, 326, 345, 360, 378, 414, 420, 460, 483, 489, 504, 540, 552, 621, 630, 644, 652, 690, 756, 805, 815, 828, 840, 920, 945, 966, 978, 1035, 1080, 1141, 1242, 1260, 1288, 1304, 1380, 1449, 1467, 1512, 1610, 1630, 1656, 1890, 1932, 1956, 2070, 2282, 2415, 2445, 2484, 2520, 2760, 2898, 2934, 3105, 3220, 3260, 3423, 3749, 3780, 3864, 3912, 4140, 4347, 4401, 4564, 4830, 4890, 4968, 5705, 5796, 5868, 6210, 6440, 6520, 6846, 7245, 7335, 7498, 7560, 8280, 8694, 8802, 9128, 9660, 9780, 10269, 11247, 11410, 11592, 11736, 12420, 13692, 14490, 14670, 14996, 17115, 17388, 17604, 18745, 19320, 19560, 20538, 21735, 22005, 22494, 22820, 24840, 26243, 27384, 28980, 29340, 29992, 30807, 33741, 34230, 34776, 35208, 37490, 41076, 43470, 44010, 44988, 45640, 51345, 52486, 56235, 57960, 58680, 61614, 67482, 68460, 74980, 78729, 82152, 86940, 88020, 89976, 101223, 102690, 104972, 112470, 123228, 131215, 134964, 136920, 149960, 154035, 157458, 168705, 173880, 176040, 202446, 205380, 209944, 224940, 236187, 246456, 262430, 269928, 308070, 314916, 337410, 393645, 404892, 410760, 449880, 472374, 506115, 524860, 616140, 629832, 674820, 708561, 787290, 809784, 944748, 1012230, 1049720, 1180935, 1232280, 1349640, 1417122, 1574580, 1889496, 2024460, 2361870, 2834244, 3149160, 3542805, 4048920, 4723740, 5668488, 7085610, 9447480, 14171220, 28342440]

約数ペア:

[(1, 28342440), (2, 14171220), (3, 9447480), (4, 7085610), (5, 5668488), (6, 4723740), (7, 4048920), (8, 3542805), (9, 3149160), (10, 2834244), (12, 2361870), (14, 2024460), (15, 1889496), (18, 1574580), (20, 1417122), (21, 1349640), (23, 1232280), (24, 1180935), (27, 1049720), (28, 1012230), (30, 944748), (35, 809784), (36, 787290), (40, 708561), (42, 674820), (45, 629832), (46, 616140), (54, 524860), (56, 506115), (60, 472374), (63, 449880), (69, 410760), (70, 404892), (72, 393645), (84, 337410), (90, 314916), (92, 308070), (105, 269928), (108, 262430), (115, 246456), (120, 236187), (126, 224940), (135, 209944), (138, 205380), (140, 202446), (161, 176040), (163, 173880), (168, 168705), (180, 157458), (184, 154035), (189, 149960), (207, 136920), (210, 134964), (216, 131215), (230, 123228), (252, 112470), (270, 104972), (276, 102690), (280, 101223), (315, 89976), (322, 88020), (326, 86940), (345, 82152), (360, 78729), (378, 74980), (414, 68460), (420, 67482), (460, 61614), (483, 58680), (489, 57960), (504, 56235), (540, 52486), (552, 51345), (621, 45640), (630, 44988), (644, 44010), (652, 43470), (690, 41076), (756, 37490), (805, 35208), (815, 34776), (828, 34230), (840, 33741), (920, 30807), (945, 29992), (966, 29340), (978, 28980), (1035, 27384), (1080, 26243), (1141, 24840), (1242, 22820), (1260, 22494), (1288, 22005), (1304, 21735), (1380, 20538), (1449, 19560), (1467, 19320), (1512, 18745), (1610, 17604), (1630, 17388), (1656, 17115), (1890, 14996), (1932, 14670), (1956, 14490), (2070, 13692), (2282, 12420), (2415, 11736), (2445, 11592), (2484, 11410), (2520, 11247), (2760, 10269), (2898, 9780), (2934, 9660), (3105, 9128), (3220, 8802), (3260, 8694), (3423, 8280), (3749, 7560), (3780, 7498), (3864, 7335), (3912, 7245), (4140, 6846), (4347, 6520), (4401, 6440), (4564, 6210), (4830, 5868), (4890, 5796), (4968, 5705)]