18775120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2579}}^1$

素因数の和:2612

約数の個数: 80

約数和(自身を含む): 53746560

約数和(自身を除く): 34971440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2579, 3640, 5158, 7280, 10316, 12895, 18053, 20632, 25790, 33527, 36106, 41264, 51580, 67054, 72212, 90265, 103160, 134108, 144424, 167635, 180530, 206320, 234689, 268216, 288848, 335270, 361060, 469378, 536432, 670540, 722120, 938756, 1173445, 1341080, 1444240, 1877512, 2346890, 2682160, 3755024, 4693780, 9387560, 18775120]

約数ペア:

[(1, 18775120), (2, 9387560), (4, 4693780), (5, 3755024), (7, 2682160), (8, 2346890), (10, 1877512), (13, 1444240), (14, 1341080), (16, 1173445), (20, 938756), (26, 722120), (28, 670540), (35, 536432), (40, 469378), (52, 361060), (56, 335270), (65, 288848), (70, 268216), (80, 234689), (91, 206320), (104, 180530), (112, 167635), (130, 144424), (140, 134108), (182, 103160), (208, 90265), (260, 72212), (280, 67054), (364, 51580), (455, 41264), (520, 36106), (560, 33527), (728, 25790), (910, 20632), (1040, 18053), (1456, 12895), (1820, 10316), (2579, 7280), (3640, 5158)]