399922320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1158

約数の個数: 240

約数和(自身を含む): 1490047488

約数和(自身を除く): 1090125168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1085, 1097, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2170, 2194, 2352, 2480, 2604, 2940, 3038, 3255, 3291, 3472, 3720, 3920, 4340, 4388, 4557, 5208, 5485, 5880, 6076, 6510, 6582, 7440, 7595, 7679, 8680, 8776, 9114, 10416, 10970, 11760, 12152, 13020, 13164, 15190, 15358, 16455, 17360, 17552, 18228, 21940, 22785, 23037, 24304, 26040, 26328, 30380, 30716, 32910, 34007, 36456, 38395, 43880, 45570, 46074, 52080, 52656, 53753, 60760, 61432, 65820, 68014, 72912, 76790, 87760, 91140, 92148, 102021, 107506, 115185, 121520, 122864, 131640, 136028, 153580, 161259, 170035, 182280, 184296, 204042, 215012, 230370, 238049, 263280, 268765, 272056, 307160, 322518, 340070, 364560, 368592, 408084, 430024, 460740, 476098, 510105, 537530, 544112, 614320, 645036, 680140, 714147, 806295, 816168, 860048, 921480, 952196, 1020210, 1075060, 1190245, 1290072, 1360280, 1428294, 1612590, 1632336, 1666343, 1842960, 1904392, 2040420, 2150120, 2380490, 2580144, 2720560, 2856588, 3225180, 3332686, 3570735, 3808784, 4080840, 4300240, 4760980, 4999029, 5713176, 6450360, 6665372, 7141470, 8161680, 8331715, 9521960, 9998058, 11426352, 12900720, 13330744, 14282940, 16663430, 19043920, 19996116, 24995145, 26661488, 28565880, 33326860, 39992232, 49990290, 57131760, 66653720, 79984464, 99980580, 133307440, 199961160, 399922320]

約数ペア:

[(1, 399922320), (2, 199961160), (3, 133307440), (4, 99980580), (5, 79984464), (6, 66653720), (7, 57131760), (8, 49990290), (10, 39992232), (12, 33326860), (14, 28565880), (15, 26661488), (16, 24995145), (20, 19996116), (21, 19043920), (24, 16663430), (28, 14282940), (30, 13330744), (31, 12900720), (35, 11426352), (40, 9998058), (42, 9521960), (48, 8331715), (49, 8161680), (56, 7141470), (60, 6665372), (62, 6450360), (70, 5713176), (80, 4999029), (84, 4760980), (93, 4300240), (98, 4080840), (105, 3808784), (112, 3570735), (120, 3332686), (124, 3225180), (140, 2856588), (147, 2720560), (155, 2580144), (168, 2380490), (186, 2150120), (196, 2040420), (210, 1904392), (217, 1842960), (240, 1666343), (245, 1632336), (248, 1612590), (280, 1428294), (294, 1360280), (310, 1290072), (336, 1190245), (372, 1075060), (392, 1020210), (420, 952196), (434, 921480), (465, 860048), (490, 816168), (496, 806295), (560, 714147), (588, 680140), (620, 645036), (651, 614320), (735, 544112), (744, 537530), (784, 510105), (840, 476098), (868, 460740), (930, 430024), (980, 408084), (1085, 368592), (1097, 364560), (1176, 340070), (1240, 322518), (1302, 307160), (1470, 272056), (1488, 268765), (1519, 263280), (1680, 238049), (1736, 230370), (1860, 215012), (1960, 204042), (2170, 184296), (2194, 182280), (2352, 170035), (2480, 161259), (2604, 153580), (2940, 136028), (3038, 131640), (3255, 122864), (3291, 121520), (3472, 115185), (3720, 107506), (3920, 102021), (4340, 92148), (4388, 91140), (4557, 87760), (5208, 76790), (5485, 72912), (5880, 68014), (6076, 65820), (6510, 61432), (6582, 60760), (7440, 53753), (7595, 52656), (7679, 52080), (8680, 46074), (8776, 45570), (9114, 43880), (10416, 38395), (10970, 36456), (11760, 34007), (12152, 32910), (13020, 30716), (13164, 30380), (15190, 26328), (15358, 26040), (16455, 24304), (17360, 23037), (17552, 22785), (18228, 21940)]