15691136420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:885

約数の個数: 96

約数和(自身を含む): 33929280000

約数和(自身を除く): 18238143580

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 179, 218, 316, 358, 395, 436, 509, 545, 716, 790, 895, 1018, 1090, 1580, 1790, 2036, 2180, 2545, 3580, 5090, 8611, 10180, 14141, 17222, 19511, 28282, 34444, 39022, 40211, 43055, 55481, 56564, 70705, 78044, 80422, 86110, 91111, 97555, 110962, 141410, 160844, 172220, 182222, 195110, 201055, 221924, 277405, 282820, 364444, 390220, 402110, 455555, 554810, 804220, 911110, 1109620, 1541369, 1822220, 3082738, 4382999, 6165476, 7197769, 7706845, 8765998, 9931099, 14395538, 15413690, 17531996, 19862198, 21914995, 28791076, 30827380, 35988845, 39724396, 43829990, 49655495, 71977690, 87659980, 99310990, 143955380, 198621980, 784556821, 1569113642, 3138227284, 3922784105, 7845568210, 15691136420]

約数ペア:

[(1, 15691136420), (2, 7845568210), (4, 3922784105), (5, 3138227284), (10, 1569113642), (20, 784556821), (79, 198621980), (109, 143955380), (158, 99310990), (179, 87659980), (218, 71977690), (316, 49655495), (358, 43829990), (395, 39724396), (436, 35988845), (509, 30827380), (545, 28791076), (716, 21914995), (790, 19862198), (895, 17531996), (1018, 15413690), (1090, 14395538), (1580, 9931099), (1790, 8765998), (2036, 7706845), (2180, 7197769), (2545, 6165476), (3580, 4382999), (5090, 3082738), (8611, 1822220), (10180, 1541369), (14141, 1109620), (17222, 911110), (19511, 804220), (28282, 554810), (34444, 455555), (39022, 402110), (40211, 390220), (43055, 364444), (55481, 282820), (56564, 277405), (70705, 221924), (78044, 201055), (80422, 195110), (86110, 182222), (91111, 172220), (97555, 160844), (110962, 141410)]