28713720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34183}}^1$

素因数の和:34204

約数の個数: 64

約数和(自身を含む): 98449920

約数和(自身を除く): 69736200

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, 34183, 68366, 102549, 136732, 170915, 205098, 239281, 273464, 341830, 410196, 478562, 512745, 683660, 717843, 820392, 957124, 1025490, 1196405, 1367320, 1435686, 1914248, 2050980, 2392810, 2871372, 3589215, 4101960, 4785620, 5742744, 7178430, 9571240, 14356860, 28713720]

約数ペア:

[(1, 28713720), (2, 14356860), (3, 9571240), (4, 7178430), (5, 5742744), (6, 4785620), (7, 4101960), (8, 3589215), (10, 2871372), (12, 2392810), (14, 2050980), (15, 1914248), (20, 1435686), (21, 1367320), (24, 1196405), (28, 1025490), (30, 957124), (35, 820392), (40, 717843), (42, 683660), (56, 512745), (60, 478562), (70, 410196), (84, 341830), (105, 273464), (120, 239281), (140, 205098), (168, 170915), (210, 136732), (280, 102549), (420, 68366), (840, 34183)]