39428861520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{248543}}^1$

素因数の和:249220

約数の個数: 80

約数和(自身を含む): 122414879232

約数和(自身を除く): 82986017712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 26440, 31728, 39660, 52880, 79320, 158640, 248543, 497086, 745629, 994172, 1242715, 1491258, 1988344, 2485430, 2982516, 3728145, 3976688, 4970860, 5965032, 7456290, 9941720, 11930064, 14912580, 19883440, 29825160, 59650320, 164286923, 328573846, 492860769, 657147692, 821434615, 985721538, 1314295384, 1642869230, 1971443076, 2464303845, 2628590768, 3285738460, 3942886152, 4928607690, 6571476920, 7885772304, 9857215380, 13142953840, 19714430760, 39428861520]

約数ペア:

[(1, 39428861520), (2, 19714430760), (3, 13142953840), (4, 9857215380), (5, 7885772304), (6, 6571476920), (8, 4928607690), (10, 3942886152), (12, 3285738460), (15, 2628590768), (16, 2464303845), (20, 1971443076), (24, 1642869230), (30, 1314295384), (40, 985721538), (48, 821434615), (60, 657147692), (80, 492860769), (120, 328573846), (240, 164286923), (661, 59650320), (1322, 29825160), (1983, 19883440), (2644, 14912580), (3305, 11930064), (3966, 9941720), (5288, 7456290), (6610, 5965032), (7932, 4970860), (9915, 3976688), (10576, 3728145), (13220, 2982516), (15864, 2485430), (19830, 1988344), (26440, 1491258), (31728, 1242715), (39660, 994172), (52880, 745629), (79320, 497086), (158640, 248543)]