129513720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{154183}}^1$

素因数の和:154204

約数の個数: 64

約数和(自身を含む): 444049920

約数和(自身を除く): 314536200

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, 154183, 308366, 462549, 616732, 770915, 925098, 1079281, 1233464, 1541830, 1850196, 2158562, 2312745, 3083660, 3237843, 3700392, 4317124, 4625490, 5396405, 6167320, 6475686, 8634248, 9250980, 10792810, 12951372, 16189215, 18501960, 21585620, 25902744, 32378430, 43171240, 64756860, 129513720]

約数ペア:

[(1, 129513720), (2, 64756860), (3, 43171240), (4, 32378430), (5, 25902744), (6, 21585620), (7, 18501960), (8, 16189215), (10, 12951372), (12, 10792810), (14, 9250980), (15, 8634248), (20, 6475686), (21, 6167320), (24, 5396405), (28, 4625490), (30, 4317124), (35, 3700392), (40, 3237843), (42, 3083660), (56, 2312745), (60, 2158562), (70, 1850196), (84, 1541830), (105, 1233464), (120, 1079281), (140, 925098), (168, 770915), (210, 616732), (280, 462549), (420, 308366), (840, 154183)]