1205720720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{655283}}^1$

素因数の和:655319

約数の個数: 40

約数和(自身を含む): 2925187776

約数和(自身を除く): 1719467056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 655283, 1310566, 2621132, 3276415, 5242264, 6552830, 10484528, 13105660, 15071509, 26211320, 30143018, 52422640, 60286036, 75357545, 120572072, 150715090, 241144144, 301430180, 602860360, 1205720720]

約数ペア:

[(1, 1205720720), (2, 602860360), (4, 301430180), (5, 241144144), (8, 150715090), (10, 120572072), (16, 75357545), (20, 60286036), (23, 52422640), (40, 30143018), (46, 26211320), (80, 15071509), (92, 13105660), (115, 10484528), (184, 6552830), (230, 5242264), (368, 3276415), (460, 2621132), (920, 1310566), (1840, 655283)]