20160900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 180

約数和(自身を含む): 69318480

約数和(自身を除く): 49157580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 81, 90, 95, 100, 108, 114, 131, 135, 150, 162, 171, 180, 190, 225, 228, 262, 270, 285, 300, 324, 342, 380, 393, 405, 450, 475, 513, 524, 540, 570, 655, 675, 684, 786, 810, 855, 900, 950, 1026, 1140, 1179, 1310, 1350, 1425, 1539, 1572, 1620, 1710, 1900, 1965, 2025, 2052, 2358, 2489, 2565, 2620, 2700, 2850, 3078, 3275, 3420, 3537, 3930, 4050, 4275, 4716, 4978, 5130, 5700, 5895, 6156, 6550, 7074, 7467, 7695, 7860, 8100, 8550, 9825, 9956, 10260, 10611, 11790, 12445, 12825, 13100, 14148, 14934, 15390, 17100, 17685, 19650, 21222, 22401, 23580, 24890, 25650, 29475, 29868, 30780, 35370, 37335, 38475, 39300, 42444, 44802, 49780, 51300, 53055, 58950, 62225, 67203, 70740, 74670, 76950, 88425, 89604, 106110, 112005, 117900, 124450, 134406, 149340, 153900, 176850, 186675, 201609, 212220, 224010, 248900, 265275, 268812, 336015, 353700, 373350, 403218, 448020, 530550, 560025, 672030, 746700, 806436, 1008045, 1061100, 1120050, 1344060, 1680075, 2016090, 2240100, 3360150, 4032180, 5040225, 6720300, 10080450, 20160900]

約数ペア:

[(1, 20160900), (2, 10080450), (3, 6720300), (4, 5040225), (5, 4032180), (6, 3360150), (9, 2240100), (10, 2016090), (12, 1680075), (15, 1344060), (18, 1120050), (19, 1061100), (20, 1008045), (25, 806436), (27, 746700), (30, 672030), (36, 560025), (38, 530550), (45, 448020), (50, 403218), (54, 373350), (57, 353700), (60, 336015), (75, 268812), (76, 265275), (81, 248900), (90, 224010), (95, 212220), (100, 201609), (108, 186675), (114, 176850), (131, 153900), (135, 149340), (150, 134406), (162, 124450), (171, 117900), (180, 112005), (190, 106110), (225, 89604), (228, 88425), (262, 76950), (270, 74670), (285, 70740), (300, 67203), (324, 62225), (342, 58950), (380, 53055), (393, 51300), (405, 49780), (450, 44802), (475, 42444), (513, 39300), (524, 38475), (540, 37335), (570, 35370), (655, 30780), (675, 29868), (684, 29475), (786, 25650), (810, 24890), (855, 23580), (900, 22401), (950, 21222), (1026, 19650), (1140, 17685), (1179, 17100), (1310, 15390), (1350, 14934), (1425, 14148), (1539, 13100), (1572, 12825), (1620, 12445), (1710, 11790), (1900, 10611), (1965, 10260), (2025, 9956), (2052, 9825), (2358, 8550), (2489, 8100), (2565, 7860), (2620, 7695), (2700, 7467), (2850, 7074), (3078, 6550), (3275, 6156), (3420, 5895), (3537, 5700), (3930, 5130), (4050, 4978), (4275, 4716)]