145360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 357120

約数和(自身を除く): 211760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 460, 632, 790, 920, 1264, 1580, 1817, 1840, 3160, 3634, 6320, 7268, 9085, 14536, 18170, 29072, 36340, 72680, 145360]

約数ペア:

[(1, 145360), (2, 72680), (4, 36340), (5, 29072), (8, 18170), (10, 14536), (16, 9085), (20, 7268), (23, 6320), (40, 3634), (46, 3160), (79, 1840), (80, 1817), (92, 1580), (115, 1264), (158, 920), (184, 790), (230, 632), (316, 460), (368, 395)]