1570651420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{20903}}^1$

素因数の和:20959

約数の個数: 72

約数和(自身を含む): 3773506464

約数和(自身を除く): 2202855044

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18785, 20903, 37570, 41806, 75140, 83612, 104515, 209030, 271739, 355351, 418060, 543478, 710702, 1086956, 1358695, 1421404, 1776755, 2717390, 3553510, 4619563, 5434780, 6040967, 7107020, 9239126, 12081934, 18478252, 23097815, 24163868, 30204835, 46195630, 60409670, 78532571, 92391260, 120819340, 157065142, 314130284, 392662855, 785325710, 1570651420]

約数ペア:

[(1, 1570651420), (2, 785325710), (4, 392662855), (5, 314130284), (10, 157065142), (13, 120819340), (17, 92391260), (20, 78532571), (26, 60409670), (34, 46195630), (52, 30204835), (65, 24163868), (68, 23097815), (85, 18478252), (130, 12081934), (170, 9239126), (221, 7107020), (260, 6040967), (289, 5434780), (340, 4619563), (442, 3553510), (578, 2717390), (884, 1776755), (1105, 1421404), (1156, 1358695), (1445, 1086956), (2210, 710702), (2890, 543478), (3757, 418060), (4420, 355351), (5780, 271739), (7514, 209030), (15028, 104515), (18785, 83612), (20903, 75140), (37570, 41806)]