311563980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:885

約数の個数: 288

約数和(自身を含む): 1215212544

約数和(自身を除く): 903648564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 26, 28, 30, 35, 36, 39, 42, 45, 46, 52, 60, 63, 65, 69, 70, 78, 84, 90, 91, 92, 105, 115, 117, 126, 130, 138, 140, 156, 161, 180, 182, 195, 207, 210, 230, 234, 252, 260, 273, 276, 299, 315, 322, 345, 364, 390, 414, 420, 455, 460, 468, 483, 546, 585, 598, 630, 644, 690, 780, 805, 819, 827, 828, 897, 910, 966, 1035, 1092, 1170, 1196, 1260, 1365, 1380, 1449, 1495, 1610, 1638, 1654, 1794, 1820, 1932, 2070, 2093, 2340, 2415, 2481, 2691, 2730, 2898, 2990, 3220, 3276, 3308, 3588, 4095, 4135, 4140, 4186, 4485, 4830, 4962, 5382, 5460, 5789, 5796, 5980, 6279, 7245, 7443, 8190, 8270, 8372, 8970, 9660, 9924, 10465, 10751, 10764, 11578, 12405, 12558, 13455, 14490, 14886, 16380, 16540, 17367, 17940, 18837, 19021, 20930, 21502, 23156, 24810, 25116, 26910, 28945, 28980, 29772, 31395, 32253, 34734, 37215, 37674, 38042, 41860, 43004, 49620, 52101, 53755, 53820, 57063, 57890, 62790, 64506, 69468, 74430, 75257, 75348, 76084, 86835, 94185, 95105, 96759, 104202, 107510, 114126, 115780, 125580, 129012, 133147, 148860, 150514, 161265, 171189, 173670, 188370, 190210, 193518, 208404, 215020, 225771, 228252, 247273, 260505, 266294, 285315, 301028, 322530, 342378, 347340, 376285, 376740, 380420, 387036, 399441, 451542, 483795, 494546, 521010, 532588, 570630, 645060, 665735, 677313, 684756, 741819, 752570, 798882, 855945, 903084, 967590, 989092, 1042020, 1128855, 1141260, 1198323, 1236365, 1331470, 1354626, 1483638, 1505140, 1597764, 1711890, 1730911, 1935180, 1997205, 2225457, 2257710, 2396646, 2472730, 2662940, 2709252, 2967276, 3386565, 3423780, 3461822, 3709095, 3994410, 4450914, 4515420, 4793292, 4945460, 5192733, 5991615, 6773130, 6923644, 7418190, 7988820, 8654555, 8901828, 10385466, 11127285, 11983230, 13546260, 14836380, 15578199, 17309110, 20770932, 22254570, 23966460, 25963665, 31156398, 34618220, 44509140, 51927330, 62312796, 77890995, 103854660, 155781990, 311563980]

約数ペア:

[(1, 311563980), (2, 155781990), (3, 103854660), (4, 77890995), (5, 62312796), (6, 51927330), (7, 44509140), (9, 34618220), (10, 31156398), (12, 25963665), (13, 23966460), (14, 22254570), (15, 20770932), (18, 17309110), (20, 15578199), (21, 14836380), (23, 13546260), (26, 11983230), (28, 11127285), (30, 10385466), (35, 8901828), (36, 8654555), (39, 7988820), (42, 7418190), (45, 6923644), (46, 6773130), (52, 5991615), (60, 5192733), (63, 4945460), (65, 4793292), (69, 4515420), (70, 4450914), (78, 3994410), (84, 3709095), (90, 3461822), (91, 3423780), (92, 3386565), (105, 2967276), (115, 2709252), (117, 2662940), (126, 2472730), (130, 2396646), (138, 2257710), (140, 2225457), (156, 1997205), (161, 1935180), (180, 1730911), (182, 1711890), (195, 1597764), (207, 1505140), (210, 1483638), (230, 1354626), (234, 1331470), (252, 1236365), (260, 1198323), (273, 1141260), (276, 1128855), (299, 1042020), (315, 989092), (322, 967590), (345, 903084), (364, 855945), (390, 798882), (414, 752570), (420, 741819), (455, 684756), (460, 677313), (468, 665735), (483, 645060), (546, 570630), (585, 532588), (598, 521010), (630, 494546), (644, 483795), (690, 451542), (780, 399441), (805, 387036), (819, 380420), (827, 376740), (828, 376285), (897, 347340), (910, 342378), (966, 322530), (1035, 301028), (1092, 285315), (1170, 266294), (1196, 260505), (1260, 247273), (1365, 228252), (1380, 225771), (1449, 215020), (1495, 208404), (1610, 193518), (1638, 190210), (1654, 188370), (1794, 173670), (1820, 171189), (1932, 161265), (2070, 150514), (2093, 148860), (2340, 133147), (2415, 129012), (2481, 125580), (2691, 115780), (2730, 114126), (2898, 107510), (2990, 104202), (3220, 96759), (3276, 95105), (3308, 94185), (3588, 86835), (4095, 76084), (4135, 75348), (4140, 75257), (4186, 74430), (4485, 69468), (4830, 64506), (4962, 62790), (5382, 57890), (5460, 57063), (5789, 53820), (5796, 53755), (5980, 52101), (6279, 49620), (7245, 43004), (7443, 41860), (8190, 38042), (8270, 37674), (8372, 37215), (8970, 34734), (9660, 32253), (9924, 31395), (10465, 29772), (10751, 28980), (10764, 28945), (11578, 26910), (12405, 25116), (12558, 24810), (13455, 23156), (14490, 21502), (14886, 20930), (16380, 19021), (16540, 18837), (17367, 17940)]