20479415640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1601}}^1$

素因数の和:1762

約数の個数: 256

約数和(自身を含む): 65570757120

約数和(自身を除く): 45091341480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 67, 74, 86, 111, 120, 129, 134, 148, 172, 185, 201, 215, 222, 258, 268, 296, 335, 344, 370, 402, 430, 444, 516, 536, 555, 645, 670, 740, 804, 860, 888, 1005, 1032, 1110, 1290, 1340, 1480, 1591, 1601, 1608, 1720, 2010, 2220, 2479, 2580, 2680, 2881, 3182, 3202, 4020, 4440, 4773, 4803, 4958, 5160, 5762, 6364, 6404, 7437, 7955, 8005, 8040, 8643, 9546, 9606, 9916, 11524, 12395, 12728, 12808, 14405, 14874, 15910, 16010, 17286, 19092, 19212, 19832, 23048, 23865, 24015, 24790, 28810, 29748, 31820, 32020, 34572, 37185, 38184, 38424, 43215, 47730, 48030, 49580, 57620, 59237, 59496, 63640, 64040, 68843, 69144, 74370, 86430, 95460, 96060, 99160, 106597, 107267, 115240, 118474, 137686, 148740, 172860, 177711, 190920, 192120, 206529, 213194, 214534, 236948, 275372, 296185, 297480, 319791, 321801, 344215, 345720, 355422, 413058, 426388, 429068, 473896, 532985, 536335, 550744, 592370, 639582, 643602, 688430, 710844, 826116, 852776, 858136, 888555, 1032645, 1065970, 1072670, 1184740, 1279164, 1287204, 1376860, 1421688, 1598955, 1609005, 1652232, 1777110, 2065290, 2131940, 2145340, 2369480, 2547191, 2558328, 2574408, 2753720, 3197910, 3218010, 3554220, 3968879, 4130580, 4263880, 4290680, 4612481, 5094382, 6395820, 6436020, 7108440, 7641573, 7937758, 8261160, 9224962, 10188764, 11906637, 12735955, 12791640, 12872040, 13837443, 15283146, 15875516, 18449924, 19844395, 20377528, 23062405, 23813274, 25471910, 27674886, 30566292, 31751032, 36899848, 38207865, 39688790, 46124810, 47626548, 50943820, 55349772, 59533185, 61132584, 69187215, 76415730, 79377580, 92249620, 95253096, 101887640, 110699544, 119066370, 138374430, 152831460, 158755160, 170661797, 184499240, 238132740, 276748860, 305662920, 341323594, 476265480, 511985391, 553497720, 682647188, 853308985, 1023970782, 1365294376, 1706617970, 2047941564, 2559926955, 3413235940, 4095883128, 5119853910, 6826471880, 10239707820, 20479415640]

約数ペア:

[(1, 20479415640), (2, 10239707820), (3, 6826471880), (4, 5119853910), (5, 4095883128), (6, 3413235940), (8, 2559926955), (10, 2047941564), (12, 1706617970), (15, 1365294376), (20, 1023970782), (24, 853308985), (30, 682647188), (37, 553497720), (40, 511985391), (43, 476265480), (60, 341323594), (67, 305662920), (74, 276748860), (86, 238132740), (111, 184499240), (120, 170661797), (129, 158755160), (134, 152831460), (148, 138374430), (172, 119066370), (185, 110699544), (201, 101887640), (215, 95253096), (222, 92249620), (258, 79377580), (268, 76415730), (296, 69187215), (335, 61132584), (344, 59533185), (370, 55349772), (402, 50943820), (430, 47626548), (444, 46124810), (516, 39688790), (536, 38207865), (555, 36899848), (645, 31751032), (670, 30566292), (740, 27674886), (804, 25471910), (860, 23813274), (888, 23062405), (1005, 20377528), (1032, 19844395), (1110, 18449924), (1290, 15875516), (1340, 15283146), (1480, 13837443), (1591, 12872040), (1601, 12791640), (1608, 12735955), (1720, 11906637), (2010, 10188764), (2220, 9224962), (2479, 8261160), (2580, 7937758), (2680, 7641573), (2881, 7108440), (3182, 6436020), (3202, 6395820), (4020, 5094382), (4440, 4612481), (4773, 4290680), (4803, 4263880), (4958, 4130580), (5160, 3968879), (5762, 3554220), (6364, 3218010), (6404, 3197910), (7437, 2753720), (7955, 2574408), (8005, 2558328), (8040, 2547191), (8643, 2369480), (9546, 2145340), (9606, 2131940), (9916, 2065290), (11524, 1777110), (12395, 1652232), (12728, 1609005), (12808, 1598955), (14405, 1421688), (14874, 1376860), (15910, 1287204), (16010, 1279164), (17286, 1184740), (19092, 1072670), (19212, 1065970), (19832, 1032645), (23048, 888555), (23865, 858136), (24015, 852776), (24790, 826116), (28810, 710844), (29748, 688430), (31820, 643602), (32020, 639582), (34572, 592370), (37185, 550744), (38184, 536335), (38424, 532985), (43215, 473896), (47730, 429068), (48030, 426388), (49580, 413058), (57620, 355422), (59237, 345720), (59496, 344215), (63640, 321801), (64040, 319791), (68843, 297480), (69144, 296185), (74370, 275372), (86430, 236948), (95460, 214534), (96060, 213194), (99160, 206529), (106597, 192120), (107267, 190920), (115240, 177711), (118474, 172860), (137686, 148740)]