1015280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 2827200

約数和(自身を除く): 1811920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 343, 370, 392, 490, 518, 560, 592, 686, 740, 784, 980, 1036, 1295, 1372, 1480, 1715, 1813, 1960, 2072, 2590, 2744, 2960, 3430, 3626, 3920, 4144, 5180, 5488, 6860, 7252, 9065, 10360, 12691, 13720, 14504, 18130, 20720, 25382, 27440, 29008, 36260, 50764, 63455, 72520, 101528, 126910, 145040, 203056, 253820, 507640, 1015280]

約数ペア:

[(1, 1015280), (2, 507640), (4, 253820), (5, 203056), (7, 145040), (8, 126910), (10, 101528), (14, 72520), (16, 63455), (20, 50764), (28, 36260), (35, 29008), (37, 27440), (40, 25382), (49, 20720), (56, 18130), (70, 14504), (74, 13720), (80, 12691), (98, 10360), (112, 9065), (140, 7252), (148, 6860), (185, 5488), (196, 5180), (245, 4144), (259, 3920), (280, 3626), (296, 3430), (343, 2960), (370, 2744), (392, 2590), (490, 2072), (518, 1960), (560, 1813), (592, 1715), (686, 1480), (740, 1372), (784, 1295), (980, 1036)]