138480720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2713

約数の個数: 160

約数和(自身を含む): 506634240

約数和(自身を除く): 368153520

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, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 2659, 3255, 3472, 3720, 4340, 5208, 5318, 6510, 7440, 7977, 8680, 10416, 10636, 13020, 13295, 15954, 17360, 18613, 21272, 26040, 26590, 31908, 37226, 39885, 42544, 52080, 53180, 55839, 63816, 74452, 79770, 82429, 93065, 106360, 111678, 127632, 148904, 159540, 164858, 186130, 212720, 223356, 247287, 279195, 297808, 319080, 329716, 372260, 412145, 446712, 494574, 558390, 577003, 638160, 659432, 744520, 824290, 893424, 989148, 1116780, 1154006, 1236435, 1318864, 1489040, 1648580, 1731009, 1978296, 2233560, 2308012, 2472870, 2885015, 3297160, 3462018, 3956592, 4467120, 4616024, 4945740, 5770030, 6594320, 6924036, 8655045, 9232048, 9891480, 11540060, 13848072, 17310090, 19782960, 23080120, 27696144, 34620180, 46160240, 69240360, 138480720]

約数ペア:

[(1, 138480720), (2, 69240360), (3, 46160240), (4, 34620180), (5, 27696144), (6, 23080120), (7, 19782960), (8, 17310090), (10, 13848072), (12, 11540060), (14, 9891480), (15, 9232048), (16, 8655045), (20, 6924036), (21, 6594320), (24, 5770030), (28, 4945740), (30, 4616024), (31, 4467120), (35, 3956592), (40, 3462018), (42, 3297160), (48, 2885015), (56, 2472870), (60, 2308012), (62, 2233560), (70, 1978296), (80, 1731009), (84, 1648580), (93, 1489040), (105, 1318864), (112, 1236435), (120, 1154006), (124, 1116780), (140, 989148), (155, 893424), (168, 824290), (186, 744520), (210, 659432), (217, 638160), (240, 577003), (248, 558390), (280, 494574), (310, 446712), (336, 412145), (372, 372260), (420, 329716), (434, 319080), (465, 297808), (496, 279195), (560, 247287), (620, 223356), (651, 212720), (744, 186130), (840, 164858), (868, 159540), (930, 148904), (1085, 127632), (1240, 111678), (1302, 106360), (1488, 93065), (1680, 82429), (1736, 79770), (1860, 74452), (2170, 63816), (2480, 55839), (2604, 53180), (2659, 52080), (3255, 42544), (3472, 39885), (3720, 37226), (4340, 31908), (5208, 26590), (5318, 26040), (6510, 21272), (7440, 18613), (7977, 17360), (8680, 15954), (10416, 13295), (10636, 13020)]