1254028120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 3281666400

約数和(自身を除く): 2027638280

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 101, 124, 136, 152, 155, 170, 190, 202, 248, 310, 323, 340, 380, 404, 505, 527, 589, 620, 646, 680, 760, 808, 961, 1010, 1054, 1178, 1240, 1292, 1615, 1717, 1919, 1922, 2020, 2108, 2356, 2584, 2635, 2945, 3131, 3230, 3434, 3838, 3844, 4040, 4216, 4712, 4805, 5270, 5890, 6262, 6460, 6868, 7676, 7688, 8585, 9595, 9610, 10013, 10540, 11780, 12524, 12920, 13736, 15352, 15655, 16337, 17170, 18259, 19190, 19220, 20026, 21080, 23560, 25048, 31310, 32623, 32674, 34340, 36518, 38380, 38440, 40052, 50065, 53227, 59489, 62620, 65246, 65348, 68680, 73036, 76760, 80104, 81685, 91295, 97061, 100130, 106454, 118978, 125240, 130492, 130696, 146072, 163115, 163370, 182590, 194122, 200260, 212908, 237956, 260984, 266135, 297445, 310403, 326230, 326740, 365180, 388244, 400520, 425816, 475912, 485305, 532270, 594890, 620806, 652460, 653480, 730360, 776488, 970610, 1011313, 1064540, 1189780, 1241612, 1304920, 1552015, 1650037, 1844159, 1941220, 2022626, 2129080, 2379560, 2483224, 3104030, 3300074, 3688318, 3882440, 4045252, 5056565, 6208060, 6600148, 7376636, 8090504, 8250185, 9220795, 10113130, 12416120, 13200296, 14753272, 16500370, 18441590, 20226260, 31350703, 33000740, 36883180, 40452520, 62701406, 66001480, 73766360, 125402812, 156753515, 250805624, 313507030, 627014060, 1254028120]

約数ペア:

[(1, 1254028120), (2, 627014060), (4, 313507030), (5, 250805624), (8, 156753515), (10, 125402812), (17, 73766360), (19, 66001480), (20, 62701406), (31, 40452520), (34, 36883180), (38, 33000740), (40, 31350703), (62, 20226260), (68, 18441590), (76, 16500370), (85, 14753272), (95, 13200296), (101, 12416120), (124, 10113130), (136, 9220795), (152, 8250185), (155, 8090504), (170, 7376636), (190, 6600148), (202, 6208060), (248, 5056565), (310, 4045252), (323, 3882440), (340, 3688318), (380, 3300074), (404, 3104030), (505, 2483224), (527, 2379560), (589, 2129080), (620, 2022626), (646, 1941220), (680, 1844159), (760, 1650037), (808, 1552015), (961, 1304920), (1010, 1241612), (1054, 1189780), (1178, 1064540), (1240, 1011313), (1292, 970610), (1615, 776488), (1717, 730360), (1919, 653480), (1922, 652460), (2020, 620806), (2108, 594890), (2356, 532270), (2584, 485305), (2635, 475912), (2945, 425816), (3131, 400520), (3230, 388244), (3434, 365180), (3838, 326740), (3844, 326230), (4040, 310403), (4216, 297445), (4712, 266135), (4805, 260984), (5270, 237956), (5890, 212908), (6262, 200260), (6460, 194122), (6868, 182590), (7676, 163370), (7688, 163115), (8585, 146072), (9595, 130696), (9610, 130492), (10013, 125240), (10540, 118978), (11780, 106454), (12524, 100130), (12920, 97061), (13736, 91295), (15352, 81685), (15655, 80104), (16337, 76760), (17170, 73036), (18259, 68680), (19190, 65348), (19220, 65246), (20026, 62620), (21080, 59489), (23560, 53227), (25048, 50065), (31310, 40052), (32623, 38440), (32674, 38380), (34340, 36518)]