18556680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2621}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 56635200

約数和(自身を除く): 38078520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2621, 3540, 5242, 7080, 7863, 10484, 13105, 15726, 20968, 26210, 31452, 39315, 52420, 62904, 78630, 104840, 154639, 157260, 309278, 314520, 463917, 618556, 773195, 927834, 1237112, 1546390, 1855668, 2319585, 3092780, 3711336, 4639170, 6185560, 9278340, 18556680]

約数ペア:

[(1, 18556680), (2, 9278340), (3, 6185560), (4, 4639170), (5, 3711336), (6, 3092780), (8, 2319585), (10, 1855668), (12, 1546390), (15, 1237112), (20, 927834), (24, 773195), (30, 618556), (40, 463917), (59, 314520), (60, 309278), (118, 157260), (120, 154639), (177, 104840), (236, 78630), (295, 62904), (354, 52420), (472, 39315), (590, 31452), (708, 26210), (885, 20968), (1180, 15726), (1416, 13105), (1770, 10484), (2360, 7863), (2621, 7080), (3540, 5242)]