639321120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7832

約数の個数: 192

約数和(自身を含む): 2355696000

約数和(自身を除く): 1716374880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 7789, 8208, 9120, 10260, 13680, 15578, 16416, 20520, 23367, 27360, 31156, 38945, 41040, 46734, 62312, 70101, 77890, 82080, 93468, 116835, 124624, 140202, 147991, 155780, 186936, 210303, 233670, 249248, 280404, 295982, 311560, 350505, 373872, 420606, 443973, 467340, 560808, 591964, 623120, 701010, 739955, 747744, 841212, 887946, 934680, 1051515, 1121616, 1183928, 1246240, 1331919, 1402020, 1479910, 1682424, 1775892, 1869360, 2103030, 2219865, 2243232, 2367856, 2663838, 2804040, 2959820, 3364848, 3551784, 3738720, 3995757, 4206060, 4439730, 4735712, 5327676, 5608080, 5919640, 6659595, 6729696, 7103568, 7991514, 8412120, 8879460, 10655352, 11216160, 11839280, 13319190, 14207136, 15983028, 16824240, 17758920, 19978785, 21310704, 23678560, 26638380, 31966056, 33648480, 35517840, 39957570, 42621408, 53276760, 63932112, 71035680, 79915140, 106553520, 127864224, 159830280, 213107040, 319660560, 639321120]

約数ペア:

[(1, 639321120), (2, 319660560), (3, 213107040), (4, 159830280), (5, 127864224), (6, 106553520), (8, 79915140), (9, 71035680), (10, 63932112), (12, 53276760), (15, 42621408), (16, 39957570), (18, 35517840), (19, 33648480), (20, 31966056), (24, 26638380), (27, 23678560), (30, 21310704), (32, 19978785), (36, 17758920), (38, 16824240), (40, 15983028), (45, 14207136), (48, 13319190), (54, 11839280), (57, 11216160), (60, 10655352), (72, 8879460), (76, 8412120), (80, 7991514), (90, 7103568), (95, 6729696), (96, 6659595), (108, 5919640), (114, 5608080), (120, 5327676), (135, 4735712), (144, 4439730), (152, 4206060), (160, 3995757), (171, 3738720), (180, 3551784), (190, 3364848), (216, 2959820), (228, 2804040), (240, 2663838), (270, 2367856), (285, 2243232), (288, 2219865), (304, 2103030), (342, 1869360), (360, 1775892), (380, 1682424), (432, 1479910), (456, 1402020), (480, 1331919), (513, 1246240), (540, 1183928), (570, 1121616), (608, 1051515), (684, 934680), (720, 887946), (760, 841212), (855, 747744), (864, 739955), (912, 701010), (1026, 623120), (1080, 591964), (1140, 560808), (1368, 467340), (1440, 443973), (1520, 420606), (1710, 373872), (1824, 350505), (2052, 311560), (2160, 295982), (2280, 280404), (2565, 249248), (2736, 233670), (3040, 210303), (3420, 186936), (4104, 155780), (4320, 147991), (4560, 140202), (5130, 124624), (5472, 116835), (6840, 93468), (7789, 82080), (8208, 77890), (9120, 70101), (10260, 62312), (13680, 46734), (15578, 41040), (16416, 38945), (20520, 31156), (23367, 27360)]