31107440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4273}}^1$

素因数の和:4306

約数の個数: 80

約数和(自身を含む): 89035968

約数和(自身を除く): 57928528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 4273, 7280, 8546, 17092, 21365, 29911, 34184, 42730, 55549, 59822, 68368, 85460, 111098, 119644, 149555, 170920, 222196, 239288, 277745, 299110, 341840, 388843, 444392, 478576, 555490, 598220, 777686, 888784, 1110980, 1196440, 1555372, 1944215, 2221960, 2392880, 3110744, 3888430, 4443920, 6221488, 7776860, 15553720, 31107440]

約数ペア:

[(1, 31107440), (2, 15553720), (4, 7776860), (5, 6221488), (7, 4443920), (8, 3888430), (10, 3110744), (13, 2392880), (14, 2221960), (16, 1944215), (20, 1555372), (26, 1196440), (28, 1110980), (35, 888784), (40, 777686), (52, 598220), (56, 555490), (65, 478576), (70, 444392), (80, 388843), (91, 341840), (104, 299110), (112, 277745), (130, 239288), (140, 222196), (182, 170920), (208, 149555), (260, 119644), (280, 111098), (364, 85460), (455, 68368), (520, 59822), (560, 55549), (728, 42730), (910, 34184), (1040, 29911), (1456, 21365), (1820, 17092), (3640, 8546), (4273, 7280)]