2018898720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17747}}^1$

素因数の和:17847

約数の個数: 144

約数和(自身を含む): 6977093760

約数和(自身を除く): 4958195040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 474, 480, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1440, 1580, 1896, 2370, 2528, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 7584, 9480, 11376, 12640, 14220, 17747, 18960, 22752, 28440, 35494, 37920, 53241, 56880, 70988, 88735, 106482, 113760, 141976, 159723, 177470, 212964, 266205, 283952, 319446, 354940, 425928, 532410, 567904, 638892, 709880, 798615, 851856, 1064820, 1277784, 1402013, 1419760, 1597230, 1703712, 2129640, 2555568, 2804026, 2839520, 3194460, 4206039, 4259280, 5111136, 5608052, 6388920, 7010065, 8412078, 8518560, 11216104, 12618117, 12777840, 14020130, 16824156, 21030195, 22432208, 25236234, 25555680, 28040260, 33648312, 42060390, 44864416, 50472468, 56080520, 63090585, 67296624, 84120780, 100944936, 112161040, 126181170, 134593248, 168241560, 201889872, 224322080, 252362340, 336483120, 403779744, 504724680, 672966240, 1009449360, 2018898720]

約数ペア:

[(1, 2018898720), (2, 1009449360), (3, 672966240), (4, 504724680), (5, 403779744), (6, 336483120), (8, 252362340), (9, 224322080), (10, 201889872), (12, 168241560), (15, 134593248), (16, 126181170), (18, 112161040), (20, 100944936), (24, 84120780), (30, 67296624), (32, 63090585), (36, 56080520), (40, 50472468), (45, 44864416), (48, 42060390), (60, 33648312), (72, 28040260), (79, 25555680), (80, 25236234), (90, 22432208), (96, 21030195), (120, 16824156), (144, 14020130), (158, 12777840), (160, 12618117), (180, 11216104), (237, 8518560), (240, 8412078), (288, 7010065), (316, 6388920), (360, 5608052), (395, 5111136), (474, 4259280), (480, 4206039), (632, 3194460), (711, 2839520), (720, 2804026), (790, 2555568), (948, 2129640), (1185, 1703712), (1264, 1597230), (1422, 1419760), (1440, 1402013), (1580, 1277784), (1896, 1064820), (2370, 851856), (2528, 798615), (2844, 709880), (3160, 638892), (3555, 567904), (3792, 532410), (4740, 425928), (5688, 354940), (6320, 319446), (7110, 283952), (7584, 266205), (9480, 212964), (11376, 177470), (12640, 159723), (14220, 141976), (17747, 113760), (18960, 106482), (22752, 88735), (28440, 70988), (35494, 56880), (37920, 53241)]