1620544960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 224

約数和(自身を含む): 4266224640

約数和(自身を除く): 2645679680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 53, 64, 76, 80, 94, 95, 106, 107, 152, 160, 188, 190, 212, 214, 235, 265, 304, 320, 376, 380, 424, 428, 470, 530, 535, 608, 752, 760, 848, 856, 893, 940, 1007, 1060, 1070, 1216, 1504, 1520, 1696, 1712, 1786, 1880, 2014, 2033, 2120, 2140, 2491, 3008, 3040, 3392, 3424, 3572, 3760, 4028, 4066, 4240, 4280, 4465, 4982, 5029, 5035, 5671, 6080, 6848, 7144, 7520, 8056, 8132, 8480, 8560, 8930, 9964, 10058, 10070, 10165, 11342, 12455, 14288, 15040, 16112, 16264, 16960, 17120, 17860, 19928, 20116, 20140, 20330, 22684, 24910, 25145, 28355, 28576, 32224, 32528, 34240, 35720, 39856, 40232, 40280, 40660, 45368, 47329, 49820, 50290, 56710, 57152, 64448, 65056, 71440, 79712, 80464, 80560, 81320, 90736, 94658, 95551, 99640, 100580, 107749, 113420, 130112, 142880, 159424, 160928, 161120, 162640, 181472, 189316, 191102, 199280, 201160, 215498, 226840, 236645, 266537, 285760, 321856, 322240, 325280, 362944, 378632, 382204, 398560, 402320, 430996, 453680, 473290, 477755, 533074, 538745, 650560, 757264, 764408, 797120, 804640, 861992, 907360, 946580, 955510, 1066148, 1077490, 1332685, 1514528, 1528816, 1609280, 1723984, 1814720, 1893160, 1911020, 2132296, 2154980, 2665370, 3029056, 3057632, 3447968, 3786320, 3822040, 4264592, 4309960, 5064203, 5330740, 6115264, 6895936, 7572640, 7644080, 8529184, 8619920, 10128406, 10661480, 15145280, 15288160, 17058368, 17239840, 20256812, 21322960, 25321015, 30576320, 34479680, 40513624, 42645920, 50642030, 81027248, 85291840, 101284060, 162054496, 202568120, 324108992, 405136240, 810272480, 1620544960]

約数ペア:

[(1, 1620544960), (2, 810272480), (4, 405136240), (5, 324108992), (8, 202568120), (10, 162054496), (16, 101284060), (19, 85291840), (20, 81027248), (32, 50642030), (38, 42645920), (40, 40513624), (47, 34479680), (53, 30576320), (64, 25321015), (76, 21322960), (80, 20256812), (94, 17239840), (95, 17058368), (106, 15288160), (107, 15145280), (152, 10661480), (160, 10128406), (188, 8619920), (190, 8529184), (212, 7644080), (214, 7572640), (235, 6895936), (265, 6115264), (304, 5330740), (320, 5064203), (376, 4309960), (380, 4264592), (424, 3822040), (428, 3786320), (470, 3447968), (530, 3057632), (535, 3029056), (608, 2665370), (752, 2154980), (760, 2132296), (848, 1911020), (856, 1893160), (893, 1814720), (940, 1723984), (1007, 1609280), (1060, 1528816), (1070, 1514528), (1216, 1332685), (1504, 1077490), (1520, 1066148), (1696, 955510), (1712, 946580), (1786, 907360), (1880, 861992), (2014, 804640), (2033, 797120), (2120, 764408), (2140, 757264), (2491, 650560), (3008, 538745), (3040, 533074), (3392, 477755), (3424, 473290), (3572, 453680), (3760, 430996), (4028, 402320), (4066, 398560), (4240, 382204), (4280, 378632), (4465, 362944), (4982, 325280), (5029, 322240), (5035, 321856), (5671, 285760), (6080, 266537), (6848, 236645), (7144, 226840), (7520, 215498), (8056, 201160), (8132, 199280), (8480, 191102), (8560, 189316), (8930, 181472), (9964, 162640), (10058, 161120), (10070, 160928), (10165, 159424), (11342, 142880), (12455, 130112), (14288, 113420), (15040, 107749), (16112, 100580), (16264, 99640), (16960, 95551), (17120, 94658), (17860, 90736), (19928, 81320), (20116, 80560), (20140, 80464), (20330, 79712), (22684, 71440), (24910, 65056), (25145, 64448), (28355, 57152), (28576, 56710), (32224, 50290), (32528, 49820), (34240, 47329), (35720, 45368), (39856, 40660), (40232, 40280)]