220214080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 550103040

約数和(自身を除く): 329888960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 155, 158, 160, 248, 281, 310, 316, 320, 395, 496, 562, 620, 632, 790, 992, 1124, 1240, 1264, 1405, 1580, 1984, 2248, 2449, 2480, 2528, 2810, 3160, 4496, 4898, 4960, 5056, 5620, 6320, 8711, 8992, 9796, 9920, 11240, 12245, 12640, 17422, 17984, 19592, 22199, 22480, 24490, 25280, 34844, 39184, 43555, 44398, 44960, 48980, 69688, 78368, 87110, 88796, 89920, 97960, 110995, 139376, 156736, 174220, 177592, 195920, 221990, 278752, 348440, 355184, 391840, 443980, 557504, 688169, 696880, 710368, 783680, 887960, 1376338, 1393760, 1420736, 1775920, 2752676, 2787520, 3440845, 3551840, 5505352, 6881690, 7103680, 11010704, 13763380, 22021408, 27526760, 44042816, 55053520, 110107040, 220214080]

約数ペア:

[(1, 220214080), (2, 110107040), (4, 55053520), (5, 44042816), (8, 27526760), (10, 22021408), (16, 13763380), (20, 11010704), (31, 7103680), (32, 6881690), (40, 5505352), (62, 3551840), (64, 3440845), (79, 2787520), (80, 2752676), (124, 1775920), (155, 1420736), (158, 1393760), (160, 1376338), (248, 887960), (281, 783680), (310, 710368), (316, 696880), (320, 688169), (395, 557504), (496, 443980), (562, 391840), (620, 355184), (632, 348440), (790, 278752), (992, 221990), (1124, 195920), (1240, 177592), (1264, 174220), (1405, 156736), (1580, 139376), (1984, 110995), (2248, 97960), (2449, 89920), (2480, 88796), (2528, 87110), (2810, 78368), (3160, 69688), (4496, 48980), (4898, 44960), (4960, 44398), (5056, 43555), (5620, 39184), (6320, 34844), (8711, 25280), (8992, 24490), (9796, 22480), (9920, 22199), (11240, 19592), (12245, 17984), (12640, 17422)]