220891080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 697144320

約数和(自身を除く): 476253240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 163, 184, 230, 276, 326, 345, 460, 489, 491, 552, 652, 690, 815, 920, 978, 982, 1304, 1380, 1473, 1630, 1956, 1964, 2445, 2455, 2760, 2946, 3260, 3749, 3912, 3928, 4890, 4910, 5892, 6520, 7365, 7498, 9780, 9820, 11247, 11293, 11784, 14730, 14996, 18745, 19560, 19640, 22494, 22586, 29460, 29992, 33879, 37490, 44988, 45172, 56235, 56465, 58920, 67758, 74980, 80033, 89976, 90344, 112470, 112930, 135516, 149960, 160066, 169395, 224940, 225860, 240099, 271032, 320132, 338790, 400165, 449880, 451720, 480198, 640264, 677580, 800330, 960396, 1200495, 1355160, 1600660, 1840759, 1920792, 2400990, 3201320, 3681518, 4801980, 5522277, 7363036, 9203795, 9603960, 11044554, 14726072, 18407590, 22089108, 27611385, 36815180, 44178216, 55222770, 73630360, 110445540, 220891080]

約数ペア:

[(1, 220891080), (2, 110445540), (3, 73630360), (4, 55222770), (5, 44178216), (6, 36815180), (8, 27611385), (10, 22089108), (12, 18407590), (15, 14726072), (20, 11044554), (23, 9603960), (24, 9203795), (30, 7363036), (40, 5522277), (46, 4801980), (60, 3681518), (69, 3201320), (92, 2400990), (115, 1920792), (120, 1840759), (138, 1600660), (163, 1355160), (184, 1200495), (230, 960396), (276, 800330), (326, 677580), (345, 640264), (460, 480198), (489, 451720), (491, 449880), (552, 400165), (652, 338790), (690, 320132), (815, 271032), (920, 240099), (978, 225860), (982, 224940), (1304, 169395), (1380, 160066), (1473, 149960), (1630, 135516), (1956, 112930), (1964, 112470), (2445, 90344), (2455, 89976), (2760, 80033), (2946, 74980), (3260, 67758), (3749, 58920), (3912, 56465), (3928, 56235), (4890, 45172), (4910, 44988), (5892, 37490), (6520, 33879), (7365, 29992), (7498, 29460), (9780, 22586), (9820, 22494), (11247, 19640), (11293, 19560), (11784, 18745), (14730, 14996)]