28907580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37061}}^1$

素因数の和:37086

約数の個数: 48

約数和(自身を含む): 87169824

約数和(自身を除く): 58262244

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, 37061, 74122, 111183, 148244, 185305, 222366, 370610, 444732, 481793, 555915, 741220, 963586, 1111830, 1445379, 1927172, 2223660, 2408965, 2890758, 4817930, 5781516, 7226895, 9635860, 14453790, 28907580]

約数ペア:

[(1, 28907580), (2, 14453790), (3, 9635860), (4, 7226895), (5, 5781516), (6, 4817930), (10, 2890758), (12, 2408965), (13, 2223660), (15, 1927172), (20, 1445379), (26, 1111830), (30, 963586), (39, 741220), (52, 555915), (60, 481793), (65, 444732), (78, 370610), (130, 222366), (156, 185305), (195, 148244), (260, 111183), (390, 74122), (780, 37061)]