644505456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1699}}^1$

素因数の和:2846

約数の個数: 80

約数和(自身を含む): 1905632000

約数和(自身を除く): 1261126544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1129, 1699, 2258, 3387, 3398, 4516, 5097, 6774, 6796, 7903, 9032, 10194, 11893, 13548, 13592, 15806, 18064, 20388, 23709, 23786, 27096, 27184, 31612, 35679, 40776, 47418, 47572, 54192, 63224, 71358, 81552, 94836, 95144, 126448, 142716, 189672, 190288, 285432, 379344, 570864, 1918171, 3836342, 5754513, 7672684, 11509026, 13427197, 15345368, 23018052, 26854394, 30690736, 40281591, 46036104, 53708788, 80563182, 92072208, 107417576, 161126364, 214835152, 322252728, 644505456]

約数ペア:

[(1, 644505456), (2, 322252728), (3, 214835152), (4, 161126364), (6, 107417576), (7, 92072208), (8, 80563182), (12, 53708788), (14, 46036104), (16, 40281591), (21, 30690736), (24, 26854394), (28, 23018052), (42, 15345368), (48, 13427197), (56, 11509026), (84, 7672684), (112, 5754513), (168, 3836342), (336, 1918171), (1129, 570864), (1699, 379344), (2258, 285432), (3387, 190288), (3398, 189672), (4516, 142716), (5097, 126448), (6774, 95144), (6796, 94836), (7903, 81552), (9032, 71358), (10194, 63224), (11893, 54192), (13548, 47572), (13592, 47418), (15806, 40776), (18064, 35679), (20388, 31612), (23709, 27184), (23786, 27096)]