80777580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103561}}^1$

素因数の和:103586

約数の個数: 48

約数和(自身を含む): 243577824

約数和(自身を除く): 162800244

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, 103561, 207122, 310683, 414244, 517805, 621366, 1035610, 1242732, 1346293, 1553415, 2071220, 2692586, 3106830, 4038879, 5385172, 6213660, 6731465, 8077758, 13462930, 16155516, 20194395, 26925860, 40388790, 80777580]

約数ペア:

[(1, 80777580), (2, 40388790), (3, 26925860), (4, 20194395), (5, 16155516), (6, 13462930), (10, 8077758), (12, 6731465), (13, 6213660), (15, 5385172), (20, 4038879), (26, 3106830), (30, 2692586), (39, 2071220), (52, 1553415), (60, 1346293), (65, 1242732), (78, 1035610), (130, 621366), (156, 517805), (195, 414244), (260, 310683), (390, 207122), (780, 103561)]