691375020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53101}}^1$

素因数の和:53151

約数の個数: 96

約数和(自身を含む): 2283810816

約数和(自身を除く): 1592435796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 53101, 106202, 159303, 212404, 265505, 318606, 371707, 531010, 637212, 743414, 796515, 1062020, 1115121, 1486828, 1593030, 1646131, 1858535, 2230242, 3186060, 3292262, 3717070, 4460484, 4938393, 5575605, 6584524, 7434140, 8230655, 9876786, 11151210, 11522917, 16461310, 19753572, 22302420, 23045834, 24691965, 32922620, 34568751, 46091668, 49383930, 57614585, 69137502, 98767860, 115229170, 138275004, 172843755, 230458340, 345687510, 691375020]

約数ペア:

[(1, 691375020), (2, 345687510), (3, 230458340), (4, 172843755), (5, 138275004), (6, 115229170), (7, 98767860), (10, 69137502), (12, 57614585), (14, 49383930), (15, 46091668), (20, 34568751), (21, 32922620), (28, 24691965), (30, 23045834), (31, 22302420), (35, 19753572), (42, 16461310), (60, 11522917), (62, 11151210), (70, 9876786), (84, 8230655), (93, 7434140), (105, 6584524), (124, 5575605), (140, 4938393), (155, 4460484), (186, 3717070), (210, 3292262), (217, 3186060), (310, 2230242), (372, 1858535), (420, 1646131), (434, 1593030), (465, 1486828), (620, 1115121), (651, 1062020), (868, 796515), (930, 743414), (1085, 637212), (1302, 531010), (1860, 371707), (2170, 318606), (2604, 265505), (3255, 212404), (4340, 159303), (6510, 106202), (13020, 53101)]