215548680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1223

約数の個数: 128

約数和(自身を含む): 680169600

約数和(自身を除く): 464620920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 370, 430, 444, 516, 555, 645, 740, 860, 888, 1032, 1110, 1129, 1290, 1480, 1591, 1720, 2220, 2258, 2580, 3182, 3387, 4440, 4516, 4773, 5160, 5645, 6364, 6774, 7955, 9032, 9546, 11290, 12728, 13548, 15910, 16935, 19092, 22580, 23865, 27096, 31820, 33870, 38184, 41773, 45160, 47730, 48547, 63640, 67740, 83546, 95460, 97094, 125319, 135480, 145641, 167092, 190920, 194188, 208865, 242735, 250638, 291282, 334184, 388376, 417730, 485470, 501276, 582564, 626595, 728205, 835460, 970940, 1002552, 1165128, 1253190, 1456410, 1670920, 1796239, 1941880, 2506380, 2912820, 3592478, 5012760, 5388717, 5825640, 7184956, 8981195, 10777434, 14369912, 17962390, 21554868, 26943585, 35924780, 43109736, 53887170, 71849560, 107774340, 215548680]

約数ペア:

[(1, 215548680), (2, 107774340), (3, 71849560), (4, 53887170), (5, 43109736), (6, 35924780), (8, 26943585), (10, 21554868), (12, 17962390), (15, 14369912), (20, 10777434), (24, 8981195), (30, 7184956), (37, 5825640), (40, 5388717), (43, 5012760), (60, 3592478), (74, 2912820), (86, 2506380), (111, 1941880), (120, 1796239), (129, 1670920), (148, 1456410), (172, 1253190), (185, 1165128), (215, 1002552), (222, 970940), (258, 835460), (296, 728205), (344, 626595), (370, 582564), (430, 501276), (444, 485470), (516, 417730), (555, 388376), (645, 334184), (740, 291282), (860, 250638), (888, 242735), (1032, 208865), (1110, 194188), (1129, 190920), (1290, 167092), (1480, 145641), (1591, 135480), (1720, 125319), (2220, 97094), (2258, 95460), (2580, 83546), (3182, 67740), (3387, 63640), (4440, 48547), (4516, 47730), (4773, 45160), (5160, 41773), (5645, 38184), (6364, 33870), (6774, 31820), (7955, 27096), (9032, 23865), (9546, 22580), (11290, 19092), (12728, 16935), (13548, 15910)]