128330040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1471}}^1$

素因数の和:2212

約数の個数: 64

約数和(自身を含む): 385781760

約数和(自身を除く): 257451720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 727, 1454, 1471, 2181, 2908, 2942, 3635, 4362, 4413, 5816, 5884, 7270, 7355, 8724, 8826, 10905, 11768, 14540, 14710, 17448, 17652, 21810, 22065, 29080, 29420, 35304, 43620, 44130, 58840, 87240, 88260, 176520, 1069417, 2138834, 3208251, 4277668, 5347085, 6416502, 8555336, 10694170, 12833004, 16041255, 21388340, 25666008, 32082510, 42776680, 64165020, 128330040]

約数ペア:

[(1, 128330040), (2, 64165020), (3, 42776680), (4, 32082510), (5, 25666008), (6, 21388340), (8, 16041255), (10, 12833004), (12, 10694170), (15, 8555336), (20, 6416502), (24, 5347085), (30, 4277668), (40, 3208251), (60, 2138834), (120, 1069417), (727, 176520), (1454, 88260), (1471, 87240), (2181, 58840), (2908, 44130), (2942, 43620), (3635, 35304), (4362, 29420), (4413, 29080), (5816, 22065), (5884, 21810), (7270, 17652), (7355, 17448), (8724, 14710), (8826, 14540), (10905, 11768)]