87902920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 244166400

約数和(自身を除く): 156263480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 59, 68, 70, 85, 118, 119, 136, 140, 170, 236, 238, 280, 295, 313, 340, 413, 472, 476, 590, 595, 626, 680, 826, 952, 1003, 1180, 1190, 1252, 1565, 1652, 2006, 2065, 2191, 2360, 2380, 2504, 3130, 3304, 4012, 4130, 4382, 4760, 5015, 5321, 6260, 7021, 8024, 8260, 8764, 10030, 10642, 10955, 12520, 14042, 16520, 17528, 18467, 20060, 21284, 21910, 26605, 28084, 35105, 36934, 37247, 40120, 42568, 43820, 53210, 56168, 70210, 73868, 74494, 87640, 92335, 106420, 129269, 140420, 147736, 148988, 184670, 186235, 212840, 258538, 280840, 297976, 313939, 369340, 372470, 517076, 627878, 646345, 738680, 744940, 1034152, 1255756, 1292690, 1489880, 1569695, 2197573, 2511512, 2585380, 3139390, 4395146, 5170760, 6278780, 8790292, 10987865, 12557560, 17580584, 21975730, 43951460, 87902920]

約数ペア:

[(1, 87902920), (2, 43951460), (4, 21975730), (5, 17580584), (7, 12557560), (8, 10987865), (10, 8790292), (14, 6278780), (17, 5170760), (20, 4395146), (28, 3139390), (34, 2585380), (35, 2511512), (40, 2197573), (56, 1569695), (59, 1489880), (68, 1292690), (70, 1255756), (85, 1034152), (118, 744940), (119, 738680), (136, 646345), (140, 627878), (170, 517076), (236, 372470), (238, 369340), (280, 313939), (295, 297976), (313, 280840), (340, 258538), (413, 212840), (472, 186235), (476, 184670), (590, 148988), (595, 147736), (626, 140420), (680, 129269), (826, 106420), (952, 92335), (1003, 87640), (1180, 74494), (1190, 73868), (1252, 70210), (1565, 56168), (1652, 53210), (2006, 43820), (2065, 42568), (2191, 40120), (2360, 37247), (2380, 36934), (2504, 35105), (3130, 28084), (3304, 26605), (4012, 21910), (4130, 21284), (4382, 20060), (4760, 18467), (5015, 17528), (5321, 16520), (6260, 14042), (7021, 12520), (8024, 10955), (8260, 10642), (8764, 10030)]