2245880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 6229440

約数和(自身を除く): 3983560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 617, 728, 910, 1234, 1820, 2468, 3085, 3640, 4319, 4936, 6170, 8021, 8638, 12340, 16042, 17276, 21595, 24680, 32084, 34552, 40105, 43190, 56147, 64168, 80210, 86380, 112294, 160420, 172760, 224588, 280735, 320840, 449176, 561470, 1122940, 2245880]

約数ペア:

[(1, 2245880), (2, 1122940), (4, 561470), (5, 449176), (7, 320840), (8, 280735), (10, 224588), (13, 172760), (14, 160420), (20, 112294), (26, 86380), (28, 80210), (35, 64168), (40, 56147), (52, 43190), (56, 40105), (65, 34552), (70, 32084), (91, 24680), (104, 21595), (130, 17276), (140, 16042), (182, 12340), (260, 8638), (280, 8021), (364, 6170), (455, 4936), (520, 4319), (617, 3640), (728, 3085), (910, 2468), (1234, 1820)]