87844260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29879}}^1$

素因数の和:29905

約数の個数: 72

約数和(自身を含む): 286130880

約数和(自身を除く): 198286620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 29879, 59758, 89637, 119516, 149395, 179274, 209153, 298790, 358548, 418306, 448185, 597580, 627459, 836612, 896370, 1045765, 1254918, 1464071, 1792740, 2091530, 2509836, 2928142, 3137295, 4183060, 4392213, 5856284, 6274590, 7320355, 8784426, 12549180, 14640710, 17568852, 21961065, 29281420, 43922130, 87844260]

約数ペア:

[(1, 87844260), (2, 43922130), (3, 29281420), (4, 21961065), (5, 17568852), (6, 14640710), (7, 12549180), (10, 8784426), (12, 7320355), (14, 6274590), (15, 5856284), (20, 4392213), (21, 4183060), (28, 3137295), (30, 2928142), (35, 2509836), (42, 2091530), (49, 1792740), (60, 1464071), (70, 1254918), (84, 1045765), (98, 896370), (105, 836612), (140, 627459), (147, 597580), (196, 448185), (210, 418306), (245, 358548), (294, 298790), (420, 209153), (490, 179274), (588, 149395), (735, 119516), (980, 89637), (1470, 59758), (2940, 29879)]