51424380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40813}}^1$

素因数の和:40835

約数の個数: 72

約数和(自身を含む): 178275552

約数和(自身を除く): 126851172

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, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40813, 81626, 122439, 163252, 204065, 244878, 285691, 367317, 408130, 489756, 571382, 612195, 734634, 816260, 857073, 1142764, 1224390, 1428455, 1469268, 1714146, 1836585, 2448780, 2571219, 2856910, 3428292, 3673170, 4285365, 5142438, 5713820, 7346340, 8570730, 10284876, 12856095, 17141460, 25712190, 51424380]

約数ペア:

[(1, 51424380), (2, 25712190), (3, 17141460), (4, 12856095), (5, 10284876), (6, 8570730), (7, 7346340), (9, 5713820), (10, 5142438), (12, 4285365), (14, 3673170), (15, 3428292), (18, 2856910), (20, 2571219), (21, 2448780), (28, 1836585), (30, 1714146), (35, 1469268), (36, 1428455), (42, 1224390), (45, 1142764), (60, 857073), (63, 816260), (70, 734634), (84, 612195), (90, 571382), (105, 489756), (126, 408130), (140, 367317), (180, 285691), (210, 244878), (252, 204065), (315, 163252), (420, 122439), (630, 81626), (1260, 40813)]