7788571180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 18464846400

約数和(自身を除く): 10676275220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 181, 260, 290, 338, 362, 377, 439, 580, 676, 724, 754, 845, 878, 905, 1508, 1690, 1756, 1810, 1885, 2195, 2353, 3380, 3620, 3770, 4390, 4706, 4901, 5249, 5707, 7540, 8780, 9412, 9802, 10498, 11414, 11765, 12731, 19604, 20996, 22828, 23530, 24505, 25462, 26245, 28535, 30589, 47060, 49010, 50924, 52490, 57070, 61178, 63655, 68237, 74191, 79459, 98020, 104980, 114140, 122356, 127310, 136474, 148382, 152945, 158918, 165503, 254620, 272948, 296764, 305890, 317836, 331006, 341185, 370955, 397295, 611780, 662012, 682370, 741910, 794590, 827515, 887081, 1032967, 1364740, 1483820, 1589180, 1655030, 1774162, 2065934, 2151539, 2304311, 3310060, 3548324, 4131868, 4303078, 4435405, 4608622, 5164835, 8606156, 8870810, 9217244, 10329670, 10757695, 11521555, 13428571, 17741620, 20659340, 21515390, 23043110, 26857142, 29956043, 43030780, 46086220, 53714284, 59912086, 67142855, 119824172, 134285710, 149780215, 268571420, 299560430, 389428559, 599120860, 778857118, 1557714236, 1947142795, 3894285590, 7788571180]

約数ペア:

[(1, 7788571180), (2, 3894285590), (4, 1947142795), (5, 1557714236), (10, 778857118), (13, 599120860), (20, 389428559), (26, 299560430), (29, 268571420), (52, 149780215), (58, 134285710), (65, 119824172), (116, 67142855), (130, 59912086), (145, 53714284), (169, 46086220), (181, 43030780), (260, 29956043), (290, 26857142), (338, 23043110), (362, 21515390), (377, 20659340), (439, 17741620), (580, 13428571), (676, 11521555), (724, 10757695), (754, 10329670), (845, 9217244), (878, 8870810), (905, 8606156), (1508, 5164835), (1690, 4608622), (1756, 4435405), (1810, 4303078), (1885, 4131868), (2195, 3548324), (2353, 3310060), (3380, 2304311), (3620, 2151539), (3770, 2065934), (4390, 1774162), (4706, 1655030), (4901, 1589180), (5249, 1483820), (5707, 1364740), (7540, 1032967), (8780, 887081), (9412, 827515), (9802, 794590), (10498, 741910), (11414, 682370), (11765, 662012), (12731, 611780), (19604, 397295), (20996, 370955), (22828, 341185), (23530, 331006), (24505, 317836), (25462, 305890), (26245, 296764), (28535, 272948), (30589, 254620), (47060, 165503), (49010, 158918), (50924, 152945), (52490, 148382), (57070, 136474), (61178, 127310), (63655, 122356), (68237, 114140), (74191, 104980), (79459, 98020)]