15807780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 48884472

約数和(自身を除く): 33076692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1657, 1908, 2385, 3180, 3314, 4770, 4971, 6628, 8285, 9540, 9942, 14913, 16570, 19884, 24855, 29826, 33140, 49710, 59652, 74565, 87821, 99420, 149130, 175642, 263463, 298260, 351284, 439105, 526926, 790389, 878210, 1053852, 1317315, 1580778, 1756420, 2634630, 3161556, 3951945, 5269260, 7903890, 15807780]

約数ペア:

[(1, 15807780), (2, 7903890), (3, 5269260), (4, 3951945), (5, 3161556), (6, 2634630), (9, 1756420), (10, 1580778), (12, 1317315), (15, 1053852), (18, 878210), (20, 790389), (30, 526926), (36, 439105), (45, 351284), (53, 298260), (60, 263463), (90, 175642), (106, 149130), (159, 99420), (180, 87821), (212, 74565), (265, 59652), (318, 49710), (477, 33140), (530, 29826), (636, 24855), (795, 19884), (954, 16570), (1060, 14913), (1590, 9942), (1657, 9540), (1908, 8285), (2385, 6628), (3180, 4971), (3314, 4770)]