8489188840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{619}}^1$

素因数の和:1151

約数の個数: 128

約数和(自身を含む): 21212928000

約数和(自身を除く): 12723739160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 439, 440, 568, 619, 710, 781, 878, 1238, 1420, 1562, 1756, 2195, 2476, 2840, 3095, 3124, 3512, 3905, 4390, 4829, 4952, 6190, 6248, 6809, 7810, 8780, 9658, 12380, 13618, 15620, 17560, 19316, 24145, 24760, 27236, 31169, 31240, 34045, 38632, 43949, 48290, 54472, 62338, 68090, 87898, 96580, 124676, 136180, 155845, 175796, 193160, 219745, 249352, 271741, 272360, 311690, 342859, 351592, 439490, 483439, 543482, 623380, 685718, 878980, 966878, 1086964, 1246760, 1358705, 1371436, 1714295, 1757960, 1933756, 2173928, 2417195, 2717410, 2742872, 2989151, 3428590, 3867512, 4834390, 5434820, 5978302, 6857180, 9668780, 10869640, 11956604, 13714360, 14945755, 19293611, 19337560, 23913208, 29891510, 38587222, 59783020, 77174444, 96468055, 119566040, 154348888, 192936110, 212229721, 385872220, 424459442, 771744440, 848918884, 1061148605, 1697837768, 2122297210, 4244594420, 8489188840]

約数ペア:

[(1, 8489188840), (2, 4244594420), (4, 2122297210), (5, 1697837768), (8, 1061148605), (10, 848918884), (11, 771744440), (20, 424459442), (22, 385872220), (40, 212229721), (44, 192936110), (55, 154348888), (71, 119566040), (88, 96468055), (110, 77174444), (142, 59783020), (220, 38587222), (284, 29891510), (355, 23913208), (439, 19337560), (440, 19293611), (568, 14945755), (619, 13714360), (710, 11956604), (781, 10869640), (878, 9668780), (1238, 6857180), (1420, 5978302), (1562, 5434820), (1756, 4834390), (2195, 3867512), (2476, 3428590), (2840, 2989151), (3095, 2742872), (3124, 2717410), (3512, 2417195), (3905, 2173928), (4390, 1933756), (4829, 1757960), (4952, 1714295), (6190, 1371436), (6248, 1358705), (6809, 1246760), (7810, 1086964), (8780, 966878), (9658, 878980), (12380, 685718), (13618, 623380), (15620, 543482), (17560, 483439), (19316, 439490), (24145, 351592), (24760, 342859), (27236, 311690), (31169, 272360), (31240, 271741), (34045, 249352), (38632, 219745), (43949, 193160), (48290, 175796), (54472, 155845), (62338, 136180), (68090, 124676), (87898, 96580)]