28940140920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{7207}}^1$

素因数の和:7637

約数の個数: 128

約数和(自身を含む): 87914534400

約数和(自身を除く): 58974393480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 307, 327, 436, 545, 614, 654, 872, 921, 1090, 1228, 1308, 1535, 1635, 1842, 2180, 2456, 2616, 3070, 3270, 3684, 4360, 4605, 6140, 6540, 7207, 7368, 9210, 12280, 13080, 14414, 18420, 21621, 28828, 33463, 36035, 36840, 43242, 57656, 66926, 72070, 86484, 100389, 108105, 133852, 144140, 167315, 172968, 200778, 216210, 267704, 288280, 334630, 401556, 432420, 501945, 669260, 785563, 803112, 864840, 1003890, 1338520, 1571126, 2007780, 2212549, 2356689, 3142252, 3927815, 4015560, 4425098, 4713378, 6284504, 6637647, 7855630, 8850196, 9426756, 11062745, 11783445, 13275294, 15711260, 17700392, 18853512, 22125490, 23566890, 26550588, 31422520, 33188235, 44250980, 47133780, 53101176, 66376470, 88501960, 94267560, 132752940, 241167841, 265505880, 482335682, 723503523, 964671364, 1205839205, 1447007046, 1929342728, 2411678410, 2894014092, 3617517615, 4823356820, 5788028184, 7235035230, 9646713640, 14470070460, 28940140920]

約数ペア:

[(1, 28940140920), (2, 14470070460), (3, 9646713640), (4, 7235035230), (5, 5788028184), (6, 4823356820), (8, 3617517615), (10, 2894014092), (12, 2411678410), (15, 1929342728), (20, 1447007046), (24, 1205839205), (30, 964671364), (40, 723503523), (60, 482335682), (109, 265505880), (120, 241167841), (218, 132752940), (307, 94267560), (327, 88501960), (436, 66376470), (545, 53101176), (614, 47133780), (654, 44250980), (872, 33188235), (921, 31422520), (1090, 26550588), (1228, 23566890), (1308, 22125490), (1535, 18853512), (1635, 17700392), (1842, 15711260), (2180, 13275294), (2456, 11783445), (2616, 11062745), (3070, 9426756), (3270, 8850196), (3684, 7855630), (4360, 6637647), (4605, 6284504), (6140, 4713378), (6540, 4425098), (7207, 4015560), (7368, 3927815), (9210, 3142252), (12280, 2356689), (13080, 2212549), (14414, 2007780), (18420, 1571126), (21621, 1338520), (28828, 1003890), (33463, 864840), (36035, 803112), (36840, 785563), (43242, 669260), (57656, 501945), (66926, 432420), (72070, 401556), (86484, 334630), (100389, 288280), (108105, 267704), (133852, 216210), (144140, 200778), (167315, 172968)]