2018665980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6449}}^1$

素因数の和:6548

約数の個数: 144

約数和(自身を含む): 6423580800

約数和(自身を除く): 4404914820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 235, 282, 333, 370, 423, 444, 470, 555, 564, 666, 705, 740, 846, 940, 1110, 1332, 1410, 1665, 1692, 1739, 2115, 2220, 2820, 3330, 3478, 4230, 5217, 6449, 6660, 6956, 8460, 8695, 10434, 12898, 15651, 17390, 19347, 20868, 25796, 26085, 31302, 32245, 34780, 38694, 52170, 58041, 62604, 64490, 77388, 78255, 96735, 104340, 116082, 128980, 156510, 193470, 232164, 238613, 290205, 303103, 313020, 386940, 477226, 580410, 606206, 715839, 909309, 954452, 1160820, 1193065, 1212412, 1431678, 1515515, 1818618, 2147517, 2386130, 2727927, 2863356, 3031030, 3579195, 3637236, 4295034, 4546545, 4772260, 5455854, 6062060, 7158390, 8590068, 9093090, 10737585, 10911708, 11214811, 13639635, 14316780, 18186180, 21475170, 22429622, 27279270, 33644433, 42950340, 44859244, 54558540, 56074055, 67288866, 100933299, 112148110, 134577732, 168222165, 201866598, 224296220, 336444330, 403733196, 504666495, 672888660, 1009332990, 2018665980]

約数ペア:

[(1, 2018665980), (2, 1009332990), (3, 672888660), (4, 504666495), (5, 403733196), (6, 336444330), (9, 224296220), (10, 201866598), (12, 168222165), (15, 134577732), (18, 112148110), (20, 100933299), (30, 67288866), (36, 56074055), (37, 54558540), (45, 44859244), (47, 42950340), (60, 33644433), (74, 27279270), (90, 22429622), (94, 21475170), (111, 18186180), (141, 14316780), (148, 13639635), (180, 11214811), (185, 10911708), (188, 10737585), (222, 9093090), (235, 8590068), (282, 7158390), (333, 6062060), (370, 5455854), (423, 4772260), (444, 4546545), (470, 4295034), (555, 3637236), (564, 3579195), (666, 3031030), (705, 2863356), (740, 2727927), (846, 2386130), (940, 2147517), (1110, 1818618), (1332, 1515515), (1410, 1431678), (1665, 1212412), (1692, 1193065), (1739, 1160820), (2115, 954452), (2220, 909309), (2820, 715839), (3330, 606206), (3478, 580410), (4230, 477226), (5217, 386940), (6449, 313020), (6660, 303103), (6956, 290205), (8460, 238613), (8695, 232164), (10434, 193470), (12898, 156510), (15651, 128980), (17390, 116082), (19347, 104340), (20868, 96735), (25796, 78255), (26085, 77388), (31302, 64490), (32245, 62604), (34780, 58041), (38694, 52170)]