71982420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70571}}^1$

素因数の和:70600

約数の個数: 48

約数和(自身を含む): 213409728

約数和(自身を除く): 141427308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 70571, 141142, 211713, 282284, 352855, 423426, 705710, 846852, 1058565, 1199707, 1411420, 2117130, 2399414, 3599121, 4234260, 4798828, 5998535, 7198242, 11997070, 14396484, 17995605, 23994140, 35991210, 71982420]

約数ペア:

[(1, 71982420), (2, 35991210), (3, 23994140), (4, 17995605), (5, 14396484), (6, 11997070), (10, 7198242), (12, 5998535), (15, 4798828), (17, 4234260), (20, 3599121), (30, 2399414), (34, 2117130), (51, 1411420), (60, 1199707), (68, 1058565), (85, 846852), (102, 705710), (170, 423426), (204, 352855), (255, 282284), (340, 211713), (510, 141142), (1020, 70571)]