9978801280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{22963}}^1$

素因数の和:23086

約数の個数: 128

約数和(自身を含む): 27545777280

約数和(自身を除く): 17566976000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 194, 224, 280, 320, 388, 448, 485, 560, 640, 679, 776, 896, 970, 1120, 1358, 1552, 1940, 2240, 2716, 3104, 3395, 3880, 4480, 5432, 6208, 6790, 7760, 10864, 12416, 13580, 15520, 21728, 22963, 27160, 31040, 43456, 45926, 54320, 62080, 86912, 91852, 108640, 114815, 160741, 183704, 217280, 229630, 321482, 367408, 434560, 459260, 642964, 734816, 803705, 918520, 1285928, 1469632, 1607410, 1837040, 2227411, 2571856, 2939264, 3214820, 3674080, 4454822, 5143712, 6429640, 7348160, 8909644, 10287424, 11137055, 12859280, 14696320, 15591877, 17819288, 20574848, 22274110, 25718560, 31183754, 35638576, 44548220, 51437120, 62367508, 71277152, 77959385, 89096440, 102874240, 124735016, 142554304, 155918770, 178192880, 249470032, 285108608, 311837540, 356385760, 498940064, 623675080, 712771520, 997880128, 1247350160, 1425543040, 1995760256, 2494700320, 4989400640, 9978801280]

約数ペア:

[(1, 9978801280), (2, 4989400640), (4, 2494700320), (5, 1995760256), (7, 1425543040), (8, 1247350160), (10, 997880128), (14, 712771520), (16, 623675080), (20, 498940064), (28, 356385760), (32, 311837540), (35, 285108608), (40, 249470032), (56, 178192880), (64, 155918770), (70, 142554304), (80, 124735016), (97, 102874240), (112, 89096440), (128, 77959385), (140, 71277152), (160, 62367508), (194, 51437120), (224, 44548220), (280, 35638576), (320, 31183754), (388, 25718560), (448, 22274110), (485, 20574848), (560, 17819288), (640, 15591877), (679, 14696320), (776, 12859280), (896, 11137055), (970, 10287424), (1120, 8909644), (1358, 7348160), (1552, 6429640), (1940, 5143712), (2240, 4454822), (2716, 3674080), (3104, 3214820), (3395, 2939264), (3880, 2571856), (4480, 2227411), (5432, 1837040), (6208, 1607410), (6790, 1469632), (7760, 1285928), (10864, 918520), (12416, 803705), (13580, 734816), (15520, 642964), (21728, 459260), (22963, 434560), (27160, 367408), (31040, 321482), (43456, 229630), (45926, 217280), (54320, 183704), (62080, 160741), (86912, 114815), (91852, 108640)]