1987820520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2366453}}^1$

素因数の和:2366474

約数の個数: 64

約数和(自身を含む): 6815387520

約数和(自身を除く): 4827567000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2366453, 4732906, 7099359, 9465812, 11832265, 14198718, 16565171, 18931624, 23664530, 28397436, 33130342, 35496795, 47329060, 49695513, 56794872, 66260684, 70993590, 82825855, 94658120, 99391026, 132521368, 141987180, 165651710, 198782052, 248477565, 283974360, 331303420, 397564104, 496955130, 662606840, 993910260, 1987820520]

約数ペア:

[(1, 1987820520), (2, 993910260), (3, 662606840), (4, 496955130), (5, 397564104), (6, 331303420), (7, 283974360), (8, 248477565), (10, 198782052), (12, 165651710), (14, 141987180), (15, 132521368), (20, 99391026), (21, 94658120), (24, 82825855), (28, 70993590), (30, 66260684), (35, 56794872), (40, 49695513), (42, 47329060), (56, 35496795), (60, 33130342), (70, 28397436), (84, 23664530), (105, 18931624), (120, 16565171), (140, 14198718), (168, 11832265), (210, 9465812), (280, 7099359), (420, 4732906), (840, 2366453)]