About the Number
61720890
2進数表記:11101011011100100100111010
漢数字表記:六千百七十二万八百九十
素因数分解:
素因数の和:393
約数の個数: 144
約数和(自身を含む): 189949536
約数和(自身を除く): 128228646
約数列:
[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 121, 147, 154, 165, 210, 231, 242, 245, 294, 330, 347, 363, 385, 462, 490, 539, 605, 694, 726, 735, 770, 847, 1041, 1078, 1155, 1210, 1470, 1617, 1694, 1735, 1815, 2082, 2310, 2429, 2541, 2695, 3234, 3470, 3630, 3817, 4235, 4858, 5082, 5205, 5390, 5929, 7287, 7634, 8085, 8470, 10410, 11451, 11858, 12145, 12705, 14574, 16170, 17003, 17787, 19085, 22902, 24290, 25410, 26719, 29645, 34006, 35574, 36435, 38170, 41987, 51009, 53438, 57255, 59290, 72870, 80157, 83974, 85015, 88935, 102018, 114510, 125961, 133595, 160314, 170030, 177870, 187033, 209935, 251922, 255045, 267190, 293909, 374066, 400785, 419870, 510090, 561099, 587818, 629805, 801570, 881727, 935165, 1122198, 1259610, 1469545, 1763454, 1870330, 2057363, 2805495, 2939090, 4114726, 4408635, 5610990, 6172089, 8817270, 10286815, 12344178, 20573630, 30860445, 61720890]
約数ペア:
[(1, 61720890), (2, 30860445), (3, 20573630), (5, 12344178), (6, 10286815), (7, 8817270), (10, 6172089), (11, 5610990), (14, 4408635), (15, 4114726), (21, 2939090), (22, 2805495), (30, 2057363), (33, 1870330), (35, 1763454), (42, 1469545), (49, 1259610), (55, 1122198), (66, 935165), (70, 881727), (77, 801570), (98, 629805), (105, 587818), (110, 561099), (121, 510090), (147, 419870), (154, 400785), (165, 374066), (210, 293909), (231, 267190), (242, 255045), (245, 251922), (294, 209935), (330, 187033), (347, 177870), (363, 170030), (385, 160314), (462, 133595), (490, 125961), (539, 114510), (605, 102018), (694, 88935), (726, 85015), (735, 83974), (770, 80157), (847, 72870), (1041, 59290), (1078, 57255), (1155, 53438), (1210, 51009), (1470, 41987), (1617, 38170), (1694, 36435), (1735, 35574), (1815, 34006), (2082, 29645), (2310, 26719), (2429, 25410), (2541, 24290), (2695, 22902), (3234, 19085), (3470, 17787), (3630, 17003), (3817, 16170), (4235, 14574), (4858, 12705), (5082, 12145), (5205, 11858), (5390, 11451), (5929, 10410), (7287, 8470), (7634, 8085)]このpageの処理時間: 0.24565815925598145 seconds