856730280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23719}}^1$

素因数の和:23783

約数の個数: 128

約数和(自身を含む): 3005798400

約数和(自身を除く): 2149068120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 9030, 12040, 18060, 23719, 36120, 47438, 71157, 94876, 118595, 142314, 166033, 189752, 237190, 284628, 332066, 355785, 474380, 498099, 569256, 664132, 711570, 830165, 948760, 996198, 1019917, 1328264, 1423140, 1660330, 1992396, 2039834, 2490495, 2846280, 3059751, 3320660, 3984792, 4079668, 4980990, 5099585, 6119502, 6641320, 7139419, 8159336, 9961980, 10199170, 12239004, 14278838, 15298755, 19923960, 20398340, 21418257, 24478008, 28557676, 30597510, 35697095, 40796680, 42836514, 57115352, 61195020, 71394190, 85673028, 107091285, 122390040, 142788380, 171346056, 214182570, 285576760, 428365140, 856730280]

約数ペア:

[(1, 856730280), (2, 428365140), (3, 285576760), (4, 214182570), (5, 171346056), (6, 142788380), (7, 122390040), (8, 107091285), (10, 85673028), (12, 71394190), (14, 61195020), (15, 57115352), (20, 42836514), (21, 40796680), (24, 35697095), (28, 30597510), (30, 28557676), (35, 24478008), (40, 21418257), (42, 20398340), (43, 19923960), (56, 15298755), (60, 14278838), (70, 12239004), (84, 10199170), (86, 9961980), (105, 8159336), (120, 7139419), (129, 6641320), (140, 6119502), (168, 5099585), (172, 4980990), (210, 4079668), (215, 3984792), (258, 3320660), (280, 3059751), (301, 2846280), (344, 2490495), (420, 2039834), (430, 1992396), (516, 1660330), (602, 1423140), (645, 1328264), (840, 1019917), (860, 996198), (903, 948760), (1032, 830165), (1204, 711570), (1290, 664132), (1505, 569256), (1720, 498099), (1806, 474380), (2408, 355785), (2580, 332066), (3010, 284628), (3612, 237190), (4515, 189752), (5160, 166033), (6020, 142314), (7224, 118595), (9030, 94876), (12040, 71157), (18060, 47438), (23719, 36120)]