1388280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2966280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 503, 552, 690, 920, 1006, 1380, 1509, 2012, 2515, 2760, 3018, 4024, 5030, 6036, 7545, 10060, 11569, 12072, 15090, 20120, 23138, 30180, 34707, 46276, 57845, 60360, 69414, 92552, 115690, 138828, 173535, 231380, 277656, 347070, 462760, 694140, 1388280]

約数ペア:

[(1, 1388280), (2, 694140), (3, 462760), (4, 347070), (5, 277656), (6, 231380), (8, 173535), (10, 138828), (12, 115690), (15, 92552), (20, 69414), (23, 60360), (24, 57845), (30, 46276), (40, 34707), (46, 30180), (60, 23138), (69, 20120), (92, 15090), (115, 12072), (120, 11569), (138, 10060), (184, 7545), (230, 6036), (276, 5030), (345, 4024), (460, 3018), (503, 2760), (552, 2515), (690, 2012), (920, 1509), (1006, 1380)]