1221658920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 4052505600

約数和(自身を除く): 2830846680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 163, 180, 191, 218, 326, 327, 360, 382, 436, 489, 545, 573, 652, 654, 764, 815, 872, 955, 978, 981, 1090, 1146, 1304, 1308, 1467, 1528, 1630, 1635, 1719, 1910, 1956, 1962, 2180, 2292, 2445, 2616, 2865, 2934, 3260, 3270, 3438, 3820, 3912, 3924, 4360, 4584, 4890, 4905, 5730, 5868, 6520, 6540, 6876, 7335, 7640, 7848, 8595, 9780, 9810, 11460, 11736, 13080, 13752, 14670, 17190, 17767, 19560, 19620, 20819, 22920, 29340, 31133, 34380, 35534, 39240, 41638, 53301, 58680, 62266, 62457, 68760, 71068, 83276, 88835, 93399, 104095, 106602, 124532, 124914, 142136, 155665, 159903, 166552, 177670, 186798, 187371, 208190, 213204, 249064, 249828, 266505, 280197, 311330, 312285, 319806, 355340, 373596, 374742, 416380, 426408, 466995, 499656, 533010, 560394, 622660, 624570, 639612, 710680, 747192, 749484, 799515, 832760, 933990, 936855, 1066020, 1120788, 1245320, 1249140, 1279224, 1400985, 1498968, 1599030, 1867980, 1873710, 2132040, 2241576, 2498280, 2801970, 3198060, 3393497, 3735960, 3747420, 5603940, 6396120, 6786994, 7494840, 10180491, 11207880, 13573988, 16967485, 20360982, 27147976, 30541473, 33934970, 40721964, 50902455, 61082946, 67869940, 81443928, 101804910, 122165892, 135739880, 152707365, 203609820, 244331784, 305414730, 407219640, 610829460, 1221658920]

約数ペア:

[(1, 1221658920), (2, 610829460), (3, 407219640), (4, 305414730), (5, 244331784), (6, 203609820), (8, 152707365), (9, 135739880), (10, 122165892), (12, 101804910), (15, 81443928), (18, 67869940), (20, 61082946), (24, 50902455), (30, 40721964), (36, 33934970), (40, 30541473), (45, 27147976), (60, 20360982), (72, 16967485), (90, 13573988), (109, 11207880), (120, 10180491), (163, 7494840), (180, 6786994), (191, 6396120), (218, 5603940), (326, 3747420), (327, 3735960), (360, 3393497), (382, 3198060), (436, 2801970), (489, 2498280), (545, 2241576), (573, 2132040), (652, 1873710), (654, 1867980), (764, 1599030), (815, 1498968), (872, 1400985), (955, 1279224), (978, 1249140), (981, 1245320), (1090, 1120788), (1146, 1066020), (1304, 936855), (1308, 933990), (1467, 832760), (1528, 799515), (1630, 749484), (1635, 747192), (1719, 710680), (1910, 639612), (1956, 624570), (1962, 622660), (2180, 560394), (2292, 533010), (2445, 499656), (2616, 466995), (2865, 426408), (2934, 416380), (3260, 374742), (3270, 373596), (3438, 355340), (3820, 319806), (3912, 312285), (3924, 311330), (4360, 280197), (4584, 266505), (4890, 249828), (4905, 249064), (5730, 213204), (5868, 208190), (6520, 187371), (6540, 186798), (6876, 177670), (7335, 166552), (7640, 159903), (7848, 155665), (8595, 142136), (9780, 124914), (9810, 124532), (11460, 106602), (11736, 104095), (13080, 93399), (13752, 88835), (14670, 83276), (17190, 71068), (17767, 68760), (19560, 62457), (19620, 62266), (20819, 58680), (22920, 53301), (29340, 41638), (31133, 39240), (34380, 35534)]