639493560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26513}}^1$

素因数の和:26597

約数の個数: 96

約数和(自身を含む): 2109453840

約数和(自身を除く): 1469960280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 1005, 1206, 1340, 1608, 2010, 2412, 2680, 3015, 4020, 4824, 6030, 8040, 12060, 24120, 26513, 53026, 79539, 106052, 132565, 159078, 212104, 238617, 265130, 318156, 397695, 477234, 530260, 636312, 795390, 954468, 1060520, 1193085, 1590780, 1776371, 1908936, 2386170, 3181560, 3552742, 4772340, 5329113, 7105484, 8881855, 9544680, 10658226, 14210968, 15987339, 17763710, 21316452, 26645565, 31974678, 35527420, 42632904, 53291130, 63949356, 71054840, 79936695, 106582260, 127898712, 159873390, 213164520, 319746780, 639493560]

約数ペア:

[(1, 639493560), (2, 319746780), (3, 213164520), (4, 159873390), (5, 127898712), (6, 106582260), (8, 79936695), (9, 71054840), (10, 63949356), (12, 53291130), (15, 42632904), (18, 35527420), (20, 31974678), (24, 26645565), (30, 21316452), (36, 17763710), (40, 15987339), (45, 14210968), (60, 10658226), (67, 9544680), (72, 8881855), (90, 7105484), (120, 5329113), (134, 4772340), (180, 3552742), (201, 3181560), (268, 2386170), (335, 1908936), (360, 1776371), (402, 1590780), (536, 1193085), (603, 1060520), (670, 954468), (804, 795390), (1005, 636312), (1206, 530260), (1340, 477234), (1608, 397695), (2010, 318156), (2412, 265130), (2680, 238617), (3015, 212104), (4020, 159078), (4824, 132565), (6030, 106052), (8040, 79539), (12060, 53026), (24120, 26513)]