1520200920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1809763}}^1$

素因数の和:1809784

約数の個数: 64

約数和(自身を含む): 5212120320

約数和(自身を除く): 3691919400

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, 1809763, 3619526, 5429289, 7239052, 9048815, 10858578, 12668341, 14478104, 18097630, 21717156, 25336682, 27146445, 36195260, 38005023, 43434312, 50673364, 54292890, 63341705, 72390520, 76010046, 101346728, 108585780, 126683410, 152020092, 190025115, 217171560, 253366820, 304040184, 380050230, 506733640, 760100460, 1520200920]

約数ペア:

[(1, 1520200920), (2, 760100460), (3, 506733640), (4, 380050230), (5, 304040184), (6, 253366820), (7, 217171560), (8, 190025115), (10, 152020092), (12, 126683410), (14, 108585780), (15, 101346728), (20, 76010046), (21, 72390520), (24, 63341705), (28, 54292890), (30, 50673364), (35, 43434312), (40, 38005023), (42, 36195260), (56, 27146445), (60, 25336682), (70, 21717156), (84, 18097630), (105, 14478104), (120, 12668341), (140, 10858578), (168, 9048815), (210, 7239052), (280, 5429289), (420, 3619526), (840, 1809763)]