310708040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1973}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 727695360

約数和(自身を除く): 416987320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 1973, 2540, 3937, 3946, 5080, 7874, 7892, 9865, 15748, 15784, 19685, 19730, 31496, 39370, 39460, 61163, 78740, 78920, 122326, 157480, 244652, 250571, 305815, 489304, 501142, 611630, 1002284, 1223260, 1252855, 2004568, 2446520, 2505710, 5011420, 7767701, 10022840, 15535402, 31070804, 38838505, 62141608, 77677010, 155354020, 310708040]

約数ペア:

[(1, 310708040), (2, 155354020), (4, 77677010), (5, 62141608), (8, 38838505), (10, 31070804), (20, 15535402), (31, 10022840), (40, 7767701), (62, 5011420), (124, 2505710), (127, 2446520), (155, 2004568), (248, 1252855), (254, 1223260), (310, 1002284), (508, 611630), (620, 501142), (635, 489304), (1016, 305815), (1240, 250571), (1270, 244652), (1973, 157480), (2540, 122326), (3937, 78920), (3946, 78740), (5080, 61163), (7874, 39460), (7892, 39370), (9865, 31496), (15748, 19730), (15784, 19685)]