321426840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 256

約数和(自身を含む): 1167851520

約数和(自身を除く): 846424680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 127, 131, 138, 140, 161, 168, 184, 210, 230, 254, 262, 276, 280, 322, 345, 381, 393, 420, 460, 483, 508, 524, 552, 635, 644, 655, 690, 762, 786, 805, 840, 889, 917, 920, 966, 1016, 1048, 1270, 1288, 1310, 1380, 1524, 1572, 1610, 1778, 1834, 1905, 1932, 1965, 2415, 2540, 2620, 2667, 2751, 2760, 2921, 3013, 3048, 3144, 3220, 3556, 3668, 3810, 3864, 3930, 4445, 4585, 4830, 5080, 5240, 5334, 5502, 5842, 6026, 6440, 7112, 7336, 7620, 7860, 8763, 8890, 9039, 9170, 9660, 10668, 11004, 11684, 12052, 13335, 13755, 14605, 15065, 15240, 15720, 16637, 17526, 17780, 18078, 18340, 19320, 20447, 21091, 21336, 22008, 23368, 24104, 26670, 27510, 29210, 30130, 33274, 35052, 35560, 36156, 36680, 40894, 42182, 43815, 45195, 49911, 53340, 55020, 58420, 60260, 61341, 63273, 66548, 70104, 72312, 81788, 83185, 84364, 87630, 90390, 99822, 102235, 105455, 106680, 110040, 116459, 116840, 120520, 122682, 126546, 133096, 163576, 166370, 168728, 175260, 180780, 199644, 204470, 210910, 232918, 245364, 249555, 253092, 306705, 316365, 332740, 349377, 350520, 361560, 382651, 399288, 408940, 421820, 465836, 490728, 499110, 506184, 582295, 613410, 632730, 665480, 698754, 765302, 817880, 843640, 931672, 998220, 1147953, 1164590, 1226820, 1265460, 1397508, 1530604, 1746885, 1913255, 1996440, 2295906, 2329180, 2453640, 2530920, 2678557, 2795016, 3061208, 3493770, 3826510, 4591812, 4658360, 5357114, 5739765, 6987540, 7653020, 8035671, 9183624, 10714228, 11479530, 13392785, 13975080, 15306040, 16071342, 21428456, 22959060, 26785570, 32142684, 40178355, 45918120, 53571140, 64285368, 80356710, 107142280, 160713420, 321426840]

約数ペア:

[(1, 321426840), (2, 160713420), (3, 107142280), (4, 80356710), (5, 64285368), (6, 53571140), (7, 45918120), (8, 40178355), (10, 32142684), (12, 26785570), (14, 22959060), (15, 21428456), (20, 16071342), (21, 15306040), (23, 13975080), (24, 13392785), (28, 11479530), (30, 10714228), (35, 9183624), (40, 8035671), (42, 7653020), (46, 6987540), (56, 5739765), (60, 5357114), (69, 4658360), (70, 4591812), (84, 3826510), (92, 3493770), (105, 3061208), (115, 2795016), (120, 2678557), (127, 2530920), (131, 2453640), (138, 2329180), (140, 2295906), (161, 1996440), (168, 1913255), (184, 1746885), (210, 1530604), (230, 1397508), (254, 1265460), (262, 1226820), (276, 1164590), (280, 1147953), (322, 998220), (345, 931672), (381, 843640), (393, 817880), (420, 765302), (460, 698754), (483, 665480), (508, 632730), (524, 613410), (552, 582295), (635, 506184), (644, 499110), (655, 490728), (690, 465836), (762, 421820), (786, 408940), (805, 399288), (840, 382651), (889, 361560), (917, 350520), (920, 349377), (966, 332740), (1016, 316365), (1048, 306705), (1270, 253092), (1288, 249555), (1310, 245364), (1380, 232918), (1524, 210910), (1572, 204470), (1610, 199644), (1778, 180780), (1834, 175260), (1905, 168728), (1932, 166370), (1965, 163576), (2415, 133096), (2540, 126546), (2620, 122682), (2667, 120520), (2751, 116840), (2760, 116459), (2921, 110040), (3013, 106680), (3048, 105455), (3144, 102235), (3220, 99822), (3556, 90390), (3668, 87630), (3810, 84364), (3864, 83185), (3930, 81788), (4445, 72312), (4585, 70104), (4830, 66548), (5080, 63273), (5240, 61341), (5334, 60260), (5502, 58420), (5842, 55020), (6026, 53340), (6440, 49911), (7112, 45195), (7336, 43815), (7620, 42182), (7860, 40894), (8763, 36680), (8890, 36156), (9039, 35560), (9170, 35052), (9660, 33274), (10668, 30130), (11004, 29210), (11684, 27510), (12052, 26670), (13335, 24104), (13755, 23368), (14605, 22008), (15065, 21336), (15240, 21091), (15720, 20447), (16637, 19320), (17526, 18340), (17780, 18078)]