157263760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 387921600

約数和(自身を除く): 230657840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 304, 314, 380, 628, 659, 760, 785, 1256, 1318, 1520, 1570, 2512, 2636, 2983, 3140, 3295, 5272, 5966, 6280, 6590, 10544, 11932, 12521, 12560, 13180, 14915, 23864, 25042, 26360, 29830, 47728, 50084, 52720, 59660, 62605, 100168, 103463, 119320, 125210, 200336, 206926, 238640, 250420, 413852, 500840, 517315, 827704, 1001680, 1034630, 1655408, 1965797, 2069260, 3931594, 4138520, 7863188, 8277040, 9828985, 15726376, 19657970, 31452752, 39315940, 78631880, 157263760]

約数ペア:

[(1, 157263760), (2, 78631880), (4, 39315940), (5, 31452752), (8, 19657970), (10, 15726376), (16, 9828985), (19, 8277040), (20, 7863188), (38, 4138520), (40, 3931594), (76, 2069260), (80, 1965797), (95, 1655408), (152, 1034630), (157, 1001680), (190, 827704), (304, 517315), (314, 500840), (380, 413852), (628, 250420), (659, 238640), (760, 206926), (785, 200336), (1256, 125210), (1318, 119320), (1520, 103463), (1570, 100168), (2512, 62605), (2636, 59660), (2983, 52720), (3140, 50084), (3295, 47728), (5272, 29830), (5966, 26360), (6280, 25042), (6590, 23864), (10544, 14915), (11932, 13180), (12521, 12560)]