201821220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 641729088

約数和(自身を除く): 439907868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 243, 262, 270, 317, 324, 393, 405, 486, 524, 540, 634, 655, 786, 810, 951, 972, 1179, 1215, 1268, 1310, 1572, 1585, 1620, 1902, 1965, 2358, 2430, 2620, 2853, 3170, 3537, 3804, 3930, 4716, 4755, 4860, 5706, 5895, 6340, 7074, 7860, 8559, 9510, 10611, 11412, 11790, 14148, 14265, 17118, 17685, 19020, 21222, 23580, 25677, 28530, 31833, 34236, 35370, 41527, 42444, 42795, 51354, 53055, 57060, 63666, 70740, 77031, 83054, 85590, 102708, 106110, 124581, 127332, 128385, 154062, 159165, 166108, 171180, 207635, 212220, 249162, 256770, 308124, 318330, 373743, 385155, 415270, 498324, 513540, 622905, 636660, 747486, 770310, 830540, 1121229, 1245810, 1494972, 1540620, 1868715, 2242458, 2491620, 3363687, 3737430, 4484916, 5606145, 6727374, 7474860, 10091061, 11212290, 13454748, 16818435, 20182122, 22424580, 33636870, 40364244, 50455305, 67273740, 100910610, 201821220]

約数ペア:

[(1, 201821220), (2, 100910610), (3, 67273740), (4, 50455305), (5, 40364244), (6, 33636870), (9, 22424580), (10, 20182122), (12, 16818435), (15, 13454748), (18, 11212290), (20, 10091061), (27, 7474860), (30, 6727374), (36, 5606145), (45, 4484916), (54, 3737430), (60, 3363687), (81, 2491620), (90, 2242458), (108, 1868715), (131, 1540620), (135, 1494972), (162, 1245810), (180, 1121229), (243, 830540), (262, 770310), (270, 747486), (317, 636660), (324, 622905), (393, 513540), (405, 498324), (486, 415270), (524, 385155), (540, 373743), (634, 318330), (655, 308124), (786, 256770), (810, 249162), (951, 212220), (972, 207635), (1179, 171180), (1215, 166108), (1268, 159165), (1310, 154062), (1572, 128385), (1585, 127332), (1620, 124581), (1902, 106110), (1965, 102708), (2358, 85590), (2430, 83054), (2620, 77031), (2853, 70740), (3170, 63666), (3537, 57060), (3804, 53055), (3930, 51354), (4716, 42795), (4755, 42444), (4860, 41527), (5706, 35370), (5895, 34236), (6340, 31833), (7074, 28530), (7860, 25677), (8559, 23580), (9510, 21222), (10611, 19020), (11412, 17685), (11790, 17118), (14148, 14265)]