31196340

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 216

約数和(自身を含む): 115026912

約数和(自身を除く): 83830572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 131, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 262, 270, 294, 315, 324, 378, 393, 405, 420, 441, 486, 490, 524, 540, 567, 588, 630, 655, 735, 756, 786, 810, 882, 917, 945, 972, 980, 1134, 1179, 1215, 1260, 1310, 1323, 1470, 1572, 1620, 1701, 1764, 1834, 1890, 1965, 2205, 2268, 2358, 2430, 2620, 2646, 2751, 2835, 2940, 3402, 3537, 3668, 3780, 3930, 3969, 4410, 4585, 4716, 4860, 5292, 5502, 5670, 5895, 6419, 6615, 6804, 7074, 7860, 7938, 8253, 8505, 8820, 9170, 10611, 11004, 11340, 11790, 11907, 12838, 13230, 13755, 14148, 15876, 16506, 17010, 17685, 18340, 19257, 19845, 21222, 23580, 23814, 24759, 25676, 26460, 27510, 31833, 32095, 33012, 34020, 35370, 38514, 39690, 41265, 42444, 47628, 49518, 53055, 55020, 57771, 59535, 63666, 64190, 70740, 74277, 77028, 79380, 82530, 96285, 99036, 106110, 115542, 119070, 123795, 127332, 128380, 148554, 159165, 165060, 173313, 192570, 212220, 222831, 231084, 238140, 247590, 288855, 297108, 318330, 346626, 371385, 385140, 445662, 495180, 519939, 577710, 636660, 693252, 742770, 866565, 891324, 1039878, 1114155, 1155420, 1485540, 1559817, 1733130, 2079756, 2228310, 2599695, 3119634, 3466260, 4456620, 5199390, 6239268, 7799085, 10398780, 15598170, 31196340]

約数ペア:

[(1, 31196340), (2, 15598170), (3, 10398780), (4, 7799085), (5, 6239268), (6, 5199390), (7, 4456620), (9, 3466260), (10, 3119634), (12, 2599695), (14, 2228310), (15, 2079756), (18, 1733130), (20, 1559817), (21, 1485540), (27, 1155420), (28, 1114155), (30, 1039878), (35, 891324), (36, 866565), (42, 742770), (45, 693252), (49, 636660), (54, 577710), (60, 519939), (63, 495180), (70, 445662), (81, 385140), (84, 371385), (90, 346626), (98, 318330), (105, 297108), (108, 288855), (126, 247590), (131, 238140), (135, 231084), (140, 222831), (147, 212220), (162, 192570), (180, 173313), (189, 165060), (196, 159165), (210, 148554), (243, 128380), (245, 127332), (252, 123795), (262, 119070), (270, 115542), (294, 106110), (315, 99036), (324, 96285), (378, 82530), (393, 79380), (405, 77028), (420, 74277), (441, 70740), (486, 64190), (490, 63666), (524, 59535), (540, 57771), (567, 55020), (588, 53055), (630, 49518), (655, 47628), (735, 42444), (756, 41265), (786, 39690), (810, 38514), (882, 35370), (917, 34020), (945, 33012), (972, 32095), (980, 31833), (1134, 27510), (1179, 26460), (1215, 25676), (1260, 24759), (1310, 23814), (1323, 23580), (1470, 21222), (1572, 19845), (1620, 19257), (1701, 18340), (1764, 17685), (1834, 17010), (1890, 16506), (1965, 15876), (2205, 14148), (2268, 13755), (2358, 13230), (2430, 12838), (2620, 11907), (2646, 11790), (2751, 11340), (2835, 11004), (2940, 10611), (3402, 9170), (3537, 8820), (3668, 8505), (3780, 8253), (3930, 7938), (3969, 7860), (4410, 7074), (4585, 6804), (4716, 6615), (4860, 6419), (5292, 5895), (5502, 5670)]