13881520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 34953120

約数和(自身を除く): 21071600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 173, 236, 272, 295, 340, 346, 472, 590, 680, 692, 865, 944, 1003, 1180, 1360, 1384, 1730, 2006, 2360, 2768, 2941, 3460, 4012, 4720, 5015, 5882, 6920, 8024, 10030, 10207, 11764, 13840, 14705, 16048, 20060, 20414, 23528, 29410, 40120, 40828, 47056, 51035, 58820, 80240, 81656, 102070, 117640, 163312, 173519, 204140, 235280, 347038, 408280, 694076, 816560, 867595, 1388152, 1735190, 2776304, 3470380, 6940760, 13881520]

約数ペア:

[(1, 13881520), (2, 6940760), (4, 3470380), (5, 2776304), (8, 1735190), (10, 1388152), (16, 867595), (17, 816560), (20, 694076), (34, 408280), (40, 347038), (59, 235280), (68, 204140), (80, 173519), (85, 163312), (118, 117640), (136, 102070), (170, 81656), (173, 80240), (236, 58820), (272, 51035), (295, 47056), (340, 40828), (346, 40120), (472, 29410), (590, 23528), (680, 20414), (692, 20060), (865, 16048), (944, 14705), (1003, 13840), (1180, 11764), (1360, 10207), (1384, 10030), (1730, 8024), (2006, 6920), (2360, 5882), (2768, 5015), (2941, 4720), (3460, 4012)]