2621580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3361}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 7907424

約数和(自身を除く): 5285844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3361, 6722, 10083, 13444, 16805, 20166, 33610, 40332, 43693, 50415, 67220, 87386, 100830, 131079, 174772, 201660, 218465, 262158, 436930, 524316, 655395, 873860, 1310790, 2621580]

約数ペア:

[(1, 2621580), (2, 1310790), (3, 873860), (4, 655395), (5, 524316), (6, 436930), (10, 262158), (12, 218465), (13, 201660), (15, 174772), (20, 131079), (26, 100830), (30, 87386), (39, 67220), (52, 50415), (60, 43693), (65, 40332), (78, 33610), (130, 20166), (156, 16805), (195, 13444), (260, 10083), (390, 6722), (780, 3361)]