639728880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3697}}^1$

素因数の和:3823

約数の個数: 160

約数和(自身を含む): 2289091584

約数和(自身を除く): 1649362704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 112, 120, 140, 168, 206, 210, 240, 280, 309, 336, 412, 420, 515, 560, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 1648, 1680, 2060, 2163, 2472, 2884, 3090, 3605, 3697, 4120, 4326, 4944, 5768, 6180, 7210, 7394, 8240, 8652, 10815, 11091, 11536, 12360, 14420, 14788, 17304, 18485, 21630, 22182, 24720, 25879, 28840, 29576, 34608, 36970, 43260, 44364, 51758, 55455, 57680, 59152, 73940, 77637, 86520, 88728, 103516, 110910, 129395, 147880, 155274, 173040, 177456, 207032, 221820, 258790, 295760, 310548, 380791, 388185, 414064, 443640, 517580, 621096, 761582, 776370, 887280, 1035160, 1142373, 1242192, 1523164, 1552740, 1903955, 2070320, 2284746, 2665537, 3046328, 3105480, 3807910, 4569492, 5331074, 5711865, 6092656, 6210960, 7615820, 7996611, 9138984, 10662148, 11423730, 13327685, 15231640, 15993222, 18277968, 21324296, 22847460, 26655370, 30463280, 31986444, 39983055, 42648592, 45694920, 53310740, 63972888, 79966110, 91389840, 106621480, 127945776, 159932220, 213242960, 319864440, 639728880]

約数ペア:

[(1, 639728880), (2, 319864440), (3, 213242960), (4, 159932220), (5, 127945776), (6, 106621480), (7, 91389840), (8, 79966110), (10, 63972888), (12, 53310740), (14, 45694920), (15, 42648592), (16, 39983055), (20, 31986444), (21, 30463280), (24, 26655370), (28, 22847460), (30, 21324296), (35, 18277968), (40, 15993222), (42, 15231640), (48, 13327685), (56, 11423730), (60, 10662148), (70, 9138984), (80, 7996611), (84, 7615820), (103, 6210960), (105, 6092656), (112, 5711865), (120, 5331074), (140, 4569492), (168, 3807910), (206, 3105480), (210, 3046328), (240, 2665537), (280, 2284746), (309, 2070320), (336, 1903955), (412, 1552740), (420, 1523164), (515, 1242192), (560, 1142373), (618, 1035160), (721, 887280), (824, 776370), (840, 761582), (1030, 621096), (1236, 517580), (1442, 443640), (1545, 414064), (1648, 388185), (1680, 380791), (2060, 310548), (2163, 295760), (2472, 258790), (2884, 221820), (3090, 207032), (3605, 177456), (3697, 173040), (4120, 155274), (4326, 147880), (4944, 129395), (5768, 110910), (6180, 103516), (7210, 88728), (7394, 86520), (8240, 77637), (8652, 73940), (10815, 59152), (11091, 57680), (11536, 55455), (12360, 51758), (14420, 44364), (14788, 43260), (17304, 36970), (18485, 34608), (21630, 29576), (22182, 28840), (24720, 25879)]