30857580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13187}}^1$

素因数の和:13215

約数の個数: 72

約数和(自身を含む): 100809072

約数和(自身を除く): 69951492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13187, 26374, 39561, 52748, 65935, 79122, 118683, 131870, 158244, 171431, 197805, 237366, 263740, 342862, 395610, 474732, 514293, 593415, 685724, 791220, 857155, 1028586, 1186830, 1542879, 1714310, 2057172, 2373660, 2571465, 3085758, 3428620, 5142930, 6171516, 7714395, 10285860, 15428790, 30857580]

約数ペア:

[(1, 30857580), (2, 15428790), (3, 10285860), (4, 7714395), (5, 6171516), (6, 5142930), (9, 3428620), (10, 3085758), (12, 2571465), (13, 2373660), (15, 2057172), (18, 1714310), (20, 1542879), (26, 1186830), (30, 1028586), (36, 857155), (39, 791220), (45, 685724), (52, 593415), (60, 514293), (65, 474732), (78, 395610), (90, 342862), (117, 263740), (130, 237366), (156, 197805), (180, 171431), (195, 158244), (234, 131870), (260, 118683), (390, 79122), (468, 65935), (585, 52748), (780, 39561), (1170, 26374), (2340, 13187)]