1809996840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4181

約数の個数: 160

約数和(自身を含む): 6128892000

約数和(自身を除く): 4318895160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 360, 405, 417, 540, 556, 648, 695, 810, 834, 1080, 1112, 1251, 1390, 1620, 1668, 2085, 2502, 2780, 3240, 3336, 3753, 4019, 4170, 5004, 5560, 6255, 7506, 8038, 8340, 10008, 11259, 12057, 12510, 15012, 16076, 16680, 18765, 20095, 22518, 24114, 25020, 30024, 32152, 36171, 37530, 40190, 45036, 48228, 50040, 56295, 60285, 72342, 75060, 80380, 90072, 96456, 108513, 112590, 120570, 144684, 150120, 160760, 180855, 217026, 225180, 241140, 289368, 325539, 361710, 434052, 450360, 482280, 542565, 558641, 651078, 723420, 868104, 1085130, 1117282, 1302156, 1446840, 1627695, 1675923, 2170260, 2234564, 2604312, 2793205, 3255390, 3351846, 4340520, 4469128, 5027769, 5586410, 6510780, 6703692, 8379615, 10055538, 11172820, 13021560, 13407384, 15083307, 16759230, 20111076, 22345640, 25138845, 30166614, 33518460, 40222152, 45249921, 50277690, 60333228, 67036920, 75416535, 90499842, 100555380, 120666456, 150833070, 180999684, 201110760, 226249605, 301666140, 361999368, 452499210, 603332280, 904998420, 1809996840]

約数ペア:

[(1, 1809996840), (2, 904998420), (3, 603332280), (4, 452499210), (5, 361999368), (6, 301666140), (8, 226249605), (9, 201110760), (10, 180999684), (12, 150833070), (15, 120666456), (18, 100555380), (20, 90499842), (24, 75416535), (27, 67036920), (30, 60333228), (36, 50277690), (40, 45249921), (45, 40222152), (54, 33518460), (60, 30166614), (72, 25138845), (81, 22345640), (90, 20111076), (108, 16759230), (120, 15083307), (135, 13407384), (139, 13021560), (162, 11172820), (180, 10055538), (216, 8379615), (270, 6703692), (278, 6510780), (324, 5586410), (360, 5027769), (405, 4469128), (417, 4340520), (540, 3351846), (556, 3255390), (648, 2793205), (695, 2604312), (810, 2234564), (834, 2170260), (1080, 1675923), (1112, 1627695), (1251, 1446840), (1390, 1302156), (1620, 1117282), (1668, 1085130), (2085, 868104), (2502, 723420), (2780, 651078), (3240, 558641), (3336, 542565), (3753, 482280), (4019, 450360), (4170, 434052), (5004, 361710), (5560, 325539), (6255, 289368), (7506, 241140), (8038, 225180), (8340, 217026), (10008, 180855), (11259, 160760), (12057, 150120), (12510, 144684), (15012, 120570), (16076, 112590), (16680, 108513), (18765, 96456), (20095, 90072), (22518, 80380), (24114, 75060), (25020, 72342), (30024, 60285), (32152, 56295), (36171, 50040), (37530, 48228), (40190, 45036)]