438763920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{261169}}^1$

素因数の和:261192

約数の個数: 80

約数和(自身を含む): 1554483840

約数和(自身を除く): 1115719920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 261169, 522338, 783507, 1044676, 1305845, 1567014, 1828183, 2089352, 2611690, 3134028, 3656366, 3917535, 4178704, 5223380, 5484549, 6268056, 7312732, 7835070, 9140915, 10446760, 10969098, 12536112, 14625464, 15670140, 18281830, 20893520, 21938196, 27422745, 29250928, 31340280, 36563660, 43876392, 54845490, 62680560, 73127320, 87752784, 109690980, 146254640, 219381960, 438763920]

約数ペア:

[(1, 438763920), (2, 219381960), (3, 146254640), (4, 109690980), (5, 87752784), (6, 73127320), (7, 62680560), (8, 54845490), (10, 43876392), (12, 36563660), (14, 31340280), (15, 29250928), (16, 27422745), (20, 21938196), (21, 20893520), (24, 18281830), (28, 15670140), (30, 14625464), (35, 12536112), (40, 10969098), (42, 10446760), (48, 9140915), (56, 7835070), (60, 7312732), (70, 6268056), (80, 5484549), (84, 5223380), (105, 4178704), (112, 3917535), (120, 3656366), (140, 3134028), (168, 2611690), (210, 2089352), (240, 1828183), (280, 1567014), (336, 1305845), (420, 1044676), (560, 783507), (840, 522338), (1680, 261169)]