639231840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34147}}^1$

素因数の和:34181

約数の個数: 144

約数和(自身を含む): 2349245808

約数和(自身を除く): 1710013968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 34147, 68294, 102441, 136588, 170735, 204882, 273176, 307323, 341470, 409764, 443911, 512205, 546352, 614646, 682940, 819528, 887822, 1024410, 1092704, 1229292, 1331733, 1365880, 1536615, 1639056, 1775644, 2048820, 2219555, 2458584, 2663466, 2731760, 3073230, 3278112, 3551288, 3995199, 4097640, 4439110, 4917168, 5326932, 5463520, 6146460, 6658665, 7102576, 7990398, 8195280, 8878220, 9834336, 10653864, 12292920, 13317330, 14205152, 15980796, 16390560, 17756440, 19975995, 21307728, 24585840, 26634660, 31961592, 35512880, 39951990, 42615456, 49171680, 53269320, 63923184, 71025760, 79903980, 106538640, 127846368, 159807960, 213077280, 319615920, 639231840]

約数ペア:

[(1, 639231840), (2, 319615920), (3, 213077280), (4, 159807960), (5, 127846368), (6, 106538640), (8, 79903980), (9, 71025760), (10, 63923184), (12, 53269320), (13, 49171680), (15, 42615456), (16, 39951990), (18, 35512880), (20, 31961592), (24, 26634660), (26, 24585840), (30, 21307728), (32, 19975995), (36, 17756440), (39, 16390560), (40, 15980796), (45, 14205152), (48, 13317330), (52, 12292920), (60, 10653864), (65, 9834336), (72, 8878220), (78, 8195280), (80, 7990398), (90, 7102576), (96, 6658665), (104, 6146460), (117, 5463520), (120, 5326932), (130, 4917168), (144, 4439110), (156, 4097640), (160, 3995199), (180, 3551288), (195, 3278112), (208, 3073230), (234, 2731760), (240, 2663466), (260, 2458584), (288, 2219555), (312, 2048820), (360, 1775644), (390, 1639056), (416, 1536615), (468, 1365880), (480, 1331733), (520, 1229292), (585, 1092704), (624, 1024410), (720, 887822), (780, 819528), (936, 682940), (1040, 614646), (1170, 546352), (1248, 512205), (1440, 443911), (1560, 409764), (1872, 341470), (2080, 307323), (2340, 273176), (3120, 204882), (3744, 170735), (4680, 136588), (6240, 102441), (9360, 68294), (18720, 34147)]