28450080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:903

約数の個数: 144

約数和(自身を含む): 101424960

約数和(自身を除く): 72974880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 859, 920, 1035, 1104, 1380, 1440, 1656, 1718, 1840, 2070, 2208, 2577, 2760, 3312, 3436, 3680, 4140, 4295, 5154, 5520, 6624, 6872, 7731, 8280, 8590, 10308, 11040, 12885, 13744, 15462, 16560, 17180, 19757, 20616, 25770, 27488, 30924, 33120, 34360, 38655, 39514, 41232, 51540, 59271, 61848, 68720, 77310, 79028, 82464, 98785, 103080, 118542, 123696, 137440, 154620, 158056, 177813, 197570, 206160, 237084, 247392, 296355, 309240, 316112, 355626, 395140, 412320, 474168, 592710, 618480, 632224, 711252, 790280, 889065, 948336, 1185420, 1236960, 1422504, 1580560, 1778130, 1896672, 2370840, 2845008, 3161120, 3556260, 4741680, 5690016, 7112520, 9483360, 14225040, 28450080]

約数ペア:

[(1, 28450080), (2, 14225040), (3, 9483360), (4, 7112520), (5, 5690016), (6, 4741680), (8, 3556260), (9, 3161120), (10, 2845008), (12, 2370840), (15, 1896672), (16, 1778130), (18, 1580560), (20, 1422504), (23, 1236960), (24, 1185420), (30, 948336), (32, 889065), (36, 790280), (40, 711252), (45, 632224), (46, 618480), (48, 592710), (60, 474168), (69, 412320), (72, 395140), (80, 355626), (90, 316112), (92, 309240), (96, 296355), (115, 247392), (120, 237084), (138, 206160), (144, 197570), (160, 177813), (180, 158056), (184, 154620), (207, 137440), (230, 123696), (240, 118542), (276, 103080), (288, 98785), (345, 82464), (360, 79028), (368, 77310), (414, 68720), (460, 61848), (480, 59271), (552, 51540), (690, 41232), (720, 39514), (736, 38655), (828, 34360), (859, 33120), (920, 30924), (1035, 27488), (1104, 25770), (1380, 20616), (1440, 19757), (1656, 17180), (1718, 16560), (1840, 15462), (2070, 13744), (2208, 12885), (2577, 11040), (2760, 10308), (3312, 8590), (3436, 8280), (3680, 7731), (4140, 6872), (4295, 6624), (5154, 5520)]