290720

素因数分解:

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

素因数の和:117

約数の個数: 48

約数和(自身を含む): 725760

約数和(自身を除く): 435040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 79, 80, 92, 115, 158, 160, 184, 230, 316, 368, 395, 460, 632, 736, 790, 920, 1264, 1580, 1817, 1840, 2528, 3160, 3634, 3680, 6320, 7268, 9085, 12640, 14536, 18170, 29072, 36340, 58144, 72680, 145360, 290720]

約数ペア:

[(1, 290720), (2, 145360), (4, 72680), (5, 58144), (8, 36340), (10, 29072), (16, 18170), (20, 14536), (23, 12640), (32, 9085), (40, 7268), (46, 6320), (79, 3680), (80, 3634), (92, 3160), (115, 2528), (158, 1840), (160, 1817), (184, 1580), (230, 1264), (316, 920), (368, 790), (395, 736), (460, 632)]