66781680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 239222784

約数和(自身を除く): 172441104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 127, 140, 168, 210, 240, 254, 280, 313, 336, 381, 420, 508, 560, 626, 635, 762, 840, 889, 939, 1016, 1252, 1270, 1524, 1565, 1680, 1778, 1878, 1905, 2032, 2191, 2504, 2540, 2667, 3048, 3130, 3556, 3756, 3810, 4382, 4445, 4695, 5008, 5080, 5334, 6096, 6260, 6573, 7112, 7512, 7620, 8764, 8890, 9390, 10160, 10668, 10955, 12520, 13146, 13335, 14224, 15024, 15240, 17528, 17780, 18780, 21336, 21910, 25040, 26292, 26670, 30480, 32865, 35056, 35560, 37560, 39751, 42672, 43820, 52584, 53340, 65730, 71120, 75120, 79502, 87640, 105168, 106680, 119253, 131460, 159004, 175280, 198755, 213360, 238506, 262920, 278257, 318008, 397510, 477012, 525840, 556514, 596265, 636016, 795020, 834771, 954024, 1113028, 1192530, 1391285, 1590040, 1669542, 1908048, 2226056, 2385060, 2782570, 3180080, 3339084, 4173855, 4452112, 4770120, 5565140, 6678168, 8347710, 9540240, 11130280, 13356336, 16695420, 22260560, 33390840, 66781680]

約数ペア:

[(1, 66781680), (2, 33390840), (3, 22260560), (4, 16695420), (5, 13356336), (6, 11130280), (7, 9540240), (8, 8347710), (10, 6678168), (12, 5565140), (14, 4770120), (15, 4452112), (16, 4173855), (20, 3339084), (21, 3180080), (24, 2782570), (28, 2385060), (30, 2226056), (35, 1908048), (40, 1669542), (42, 1590040), (48, 1391285), (56, 1192530), (60, 1113028), (70, 954024), (80, 834771), (84, 795020), (105, 636016), (112, 596265), (120, 556514), (127, 525840), (140, 477012), (168, 397510), (210, 318008), (240, 278257), (254, 262920), (280, 238506), (313, 213360), (336, 198755), (381, 175280), (420, 159004), (508, 131460), (560, 119253), (626, 106680), (635, 105168), (762, 87640), (840, 79502), (889, 75120), (939, 71120), (1016, 65730), (1252, 53340), (1270, 52584), (1524, 43820), (1565, 42672), (1680, 39751), (1778, 37560), (1878, 35560), (1905, 35056), (2032, 32865), (2191, 30480), (2504, 26670), (2540, 26292), (2667, 25040), (3048, 21910), (3130, 21336), (3556, 18780), (3756, 17780), (3810, 17528), (4382, 15240), (4445, 15024), (4695, 14224), (5008, 13335), (5080, 13146), (5334, 12520), (6096, 10955), (6260, 10668), (6573, 10160), (7112, 9390), (7512, 8890), (7620, 8764)]