204856680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7919

約数の個数: 128

約数和(自身を含む): 725114880

約数和(自身を除く): 520258200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 7867, 8680, 13020, 15734, 23601, 26040, 31468, 39335, 47202, 55069, 62936, 78670, 94404, 110138, 118005, 157340, 165207, 188808, 220276, 236010, 243877, 275345, 314680, 330414, 440552, 472020, 487754, 550690, 660828, 731631, 826035, 944040, 975508, 1101380, 1219385, 1321656, 1463262, 1652070, 1707139, 1951016, 2202760, 2438770, 2926524, 3304140, 3414278, 3658155, 4877540, 5121417, 5853048, 6608280, 6828556, 7316310, 8535695, 9755080, 10242834, 13657112, 14632620, 17071390, 20485668, 25607085, 29265240, 34142780, 40971336, 51214170, 68285560, 102428340, 204856680]

約数ペア:

[(1, 204856680), (2, 102428340), (3, 68285560), (4, 51214170), (5, 40971336), (6, 34142780), (7, 29265240), (8, 25607085), (10, 20485668), (12, 17071390), (14, 14632620), (15, 13657112), (20, 10242834), (21, 9755080), (24, 8535695), (28, 7316310), (30, 6828556), (31, 6608280), (35, 5853048), (40, 5121417), (42, 4877540), (56, 3658155), (60, 3414278), (62, 3304140), (70, 2926524), (84, 2438770), (93, 2202760), (105, 1951016), (120, 1707139), (124, 1652070), (140, 1463262), (155, 1321656), (168, 1219385), (186, 1101380), (210, 975508), (217, 944040), (248, 826035), (280, 731631), (310, 660828), (372, 550690), (420, 487754), (434, 472020), (465, 440552), (620, 330414), (651, 314680), (744, 275345), (840, 243877), (868, 236010), (930, 220276), (1085, 188808), (1240, 165207), (1302, 157340), (1736, 118005), (1860, 110138), (2170, 94404), (2604, 78670), (3255, 62936), (3720, 55069), (4340, 47202), (5208, 39335), (6510, 31468), (7867, 26040), (8680, 23601), (13020, 15734)]