495290340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:866

約数の個数: 144

約数和(自身を含む): 1556755200

約数和(自身を除く): 1061464860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 129, 172, 178, 180, 215, 258, 267, 356, 387, 430, 445, 516, 534, 645, 719, 774, 801, 860, 890, 1068, 1290, 1335, 1438, 1548, 1602, 1780, 1935, 2157, 2580, 2670, 2876, 3204, 3595, 3827, 3870, 4005, 4314, 5340, 6471, 7190, 7654, 7740, 8010, 8628, 10785, 11481, 12942, 14380, 15308, 16020, 19135, 21570, 22962, 25884, 30917, 32355, 34443, 38270, 43140, 45924, 57405, 61834, 63991, 64710, 68886, 76540, 92751, 114810, 123668, 127982, 129420, 137772, 154585, 172215, 185502, 191973, 229620, 255964, 278253, 309170, 319955, 344430, 371004, 383946, 463755, 556506, 575919, 618340, 639910, 688860, 767892, 927510, 959865, 1113012, 1151838, 1279820, 1391265, 1855020, 1919730, 2303676, 2751613, 2782530, 2879595, 3839460, 5503226, 5565060, 5759190, 8254839, 11006452, 11518380, 13758065, 16509678, 24764517, 27516130, 33019356, 41274195, 49529034, 55032260, 82548390, 99058068, 123822585, 165096780, 247645170, 495290340]

約数ペア:

[(1, 495290340), (2, 247645170), (3, 165096780), (4, 123822585), (5, 99058068), (6, 82548390), (9, 55032260), (10, 49529034), (12, 41274195), (15, 33019356), (18, 27516130), (20, 24764517), (30, 16509678), (36, 13758065), (43, 11518380), (45, 11006452), (60, 8254839), (86, 5759190), (89, 5565060), (90, 5503226), (129, 3839460), (172, 2879595), (178, 2782530), (180, 2751613), (215, 2303676), (258, 1919730), (267, 1855020), (356, 1391265), (387, 1279820), (430, 1151838), (445, 1113012), (516, 959865), (534, 927510), (645, 767892), (719, 688860), (774, 639910), (801, 618340), (860, 575919), (890, 556506), (1068, 463755), (1290, 383946), (1335, 371004), (1438, 344430), (1548, 319955), (1602, 309170), (1780, 278253), (1935, 255964), (2157, 229620), (2580, 191973), (2670, 185502), (2876, 172215), (3204, 154585), (3595, 137772), (3827, 129420), (3870, 127982), (4005, 123668), (4314, 114810), (5340, 92751), (6471, 76540), (7190, 68886), (7654, 64710), (7740, 63991), (8010, 61834), (8628, 57405), (10785, 45924), (11481, 43140), (12942, 38270), (14380, 34443), (15308, 32355), (16020, 30917), (19135, 25884), (21570, 22962)]