71632640

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 173069568

約数和(自身を除く): 101436928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 293, 320, 382, 586, 640, 764, 955, 1172, 1280, 1465, 1528, 1910, 2344, 2930, 3056, 3820, 4688, 5860, 6112, 7640, 9376, 11720, 12224, 15280, 18752, 23440, 24448, 30560, 37504, 46880, 48896, 55963, 61120, 75008, 93760, 111926, 122240, 187520, 223852, 244480, 279815, 375040, 447704, 559630, 895408, 1119260, 1790816, 2238520, 3581632, 4477040, 7163264, 8954080, 14326528, 17908160, 35816320, 71632640]

約数ペア:

[(1, 71632640), (2, 35816320), (4, 17908160), (5, 14326528), (8, 8954080), (10, 7163264), (16, 4477040), (20, 3581632), (32, 2238520), (40, 1790816), (64, 1119260), (80, 895408), (128, 559630), (160, 447704), (191, 375040), (256, 279815), (293, 244480), (320, 223852), (382, 187520), (586, 122240), (640, 111926), (764, 93760), (955, 75008), (1172, 61120), (1280, 55963), (1465, 48896), (1528, 46880), (1910, 37504), (2344, 30560), (2930, 24448), (3056, 23440), (3820, 18752), (4688, 15280), (5860, 12224), (6112, 11720), (7640, 9376)]