220118220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1801}}^1$

素因数の和:1920

約数の個数: 144

約数和(自身を含む): 771371328

約数和(自身を除く): 551253108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 679, 873, 970, 1164, 1260, 1358, 1455, 1746, 1801, 1940, 2037, 2716, 2910, 3395, 3492, 3602, 4074, 4365, 5403, 5820, 6111, 6790, 7204, 8148, 8730, 9005, 10185, 10806, 12222, 12607, 13580, 16209, 17460, 18010, 20370, 21612, 24444, 25214, 27015, 30555, 32418, 36020, 37821, 40740, 50428, 54030, 61110, 63035, 64836, 75642, 81045, 108060, 113463, 122220, 126070, 151284, 162090, 174697, 189105, 226926, 252140, 324180, 349394, 378210, 453852, 524091, 567315, 698788, 756420, 873485, 1048182, 1134630, 1222879, 1572273, 1746970, 2096364, 2269260, 2445758, 2620455, 3144546, 3493940, 3668637, 4891516, 5240910, 6114395, 6289092, 7337274, 7861365, 10481820, 11005911, 12228790, 14674548, 15722730, 18343185, 22011822, 24457580, 31445460, 36686370, 44023644, 55029555, 73372740, 110059110, 220118220]

約数ペア:

[(1, 220118220), (2, 110059110), (3, 73372740), (4, 55029555), (5, 44023644), (6, 36686370), (7, 31445460), (9, 24457580), (10, 22011822), (12, 18343185), (14, 15722730), (15, 14674548), (18, 12228790), (20, 11005911), (21, 10481820), (28, 7861365), (30, 7337274), (35, 6289092), (36, 6114395), (42, 5240910), (45, 4891516), (60, 3668637), (63, 3493940), (70, 3144546), (84, 2620455), (90, 2445758), (97, 2269260), (105, 2096364), (126, 1746970), (140, 1572273), (180, 1222879), (194, 1134630), (210, 1048182), (252, 873485), (291, 756420), (315, 698788), (388, 567315), (420, 524091), (485, 453852), (582, 378210), (630, 349394), (679, 324180), (873, 252140), (970, 226926), (1164, 189105), (1260, 174697), (1358, 162090), (1455, 151284), (1746, 126070), (1801, 122220), (1940, 113463), (2037, 108060), (2716, 81045), (2910, 75642), (3395, 64836), (3492, 63035), (3602, 61110), (4074, 54030), (4365, 50428), (5403, 40740), (5820, 37821), (6111, 36020), (6790, 32418), (7204, 30555), (8148, 27015), (8730, 25214), (9005, 24444), (10185, 21612), (10806, 20370), (12222, 18010), (12607, 17460), (13580, 16209)]