81705510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5309}}^1$

素因数の和:5347

約数の個数: 80

約数和(自身を含む): 231303600

約数和(自身を除く): 149598090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 5309, 7695, 10618, 15390, 15927, 26545, 31854, 47781, 53090, 79635, 95562, 100871, 143343, 159270, 201742, 238905, 286686, 302613, 430029, 477810, 504355, 605226, 716715, 860058, 907839, 1008710, 1433430, 1513065, 1815678, 2150145, 2723517, 3026130, 4300290, 4539195, 5447034, 8170551, 9078390, 13617585, 16341102, 27235170, 40852755, 81705510]

約数ペア:

[(1, 81705510), (2, 40852755), (3, 27235170), (5, 16341102), (6, 13617585), (9, 9078390), (10, 8170551), (15, 5447034), (18, 4539195), (19, 4300290), (27, 3026130), (30, 2723517), (38, 2150145), (45, 1815678), (54, 1513065), (57, 1433430), (81, 1008710), (90, 907839), (95, 860058), (114, 716715), (135, 605226), (162, 504355), (171, 477810), (190, 430029), (270, 302613), (285, 286686), (342, 238905), (405, 201742), (513, 159270), (570, 143343), (810, 100871), (855, 95562), (1026, 79635), (1539, 53090), (1710, 47781), (2565, 31854), (3078, 26545), (5130, 15927), (5309, 15390), (7695, 10618)]