30478280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 87609600

約数和(自身を除く): 57131320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 337, 340, 380, 476, 532, 595, 646, 665, 674, 680, 760, 952, 1064, 1190, 1292, 1330, 1348, 1615, 1685, 2261, 2359, 2380, 2584, 2660, 2696, 3230, 3370, 4522, 4718, 4760, 5320, 5729, 6403, 6460, 6740, 9044, 9436, 11305, 11458, 11795, 12806, 12920, 13480, 18088, 18872, 22610, 22916, 23590, 25612, 28645, 32015, 40103, 44821, 45220, 45832, 47180, 51224, 57290, 64030, 80206, 89642, 90440, 94360, 108851, 114580, 128060, 160412, 179284, 200515, 217702, 224105, 229160, 256120, 320824, 358568, 401030, 435404, 448210, 544255, 761957, 802060, 870808, 896420, 1088510, 1523914, 1604120, 1792840, 2177020, 3047828, 3809785, 4354040, 6095656, 7619570, 15239140, 30478280]

約数ペア:

[(1, 30478280), (2, 15239140), (4, 7619570), (5, 6095656), (7, 4354040), (8, 3809785), (10, 3047828), (14, 2177020), (17, 1792840), (19, 1604120), (20, 1523914), (28, 1088510), (34, 896420), (35, 870808), (38, 802060), (40, 761957), (56, 544255), (68, 448210), (70, 435404), (76, 401030), (85, 358568), (95, 320824), (119, 256120), (133, 229160), (136, 224105), (140, 217702), (152, 200515), (170, 179284), (190, 160412), (238, 128060), (266, 114580), (280, 108851), (323, 94360), (337, 90440), (340, 89642), (380, 80206), (476, 64030), (532, 57290), (595, 51224), (646, 47180), (665, 45832), (674, 45220), (680, 44821), (760, 40103), (952, 32015), (1064, 28645), (1190, 25612), (1292, 23590), (1330, 22916), (1348, 22610), (1615, 18872), (1685, 18088), (2261, 13480), (2359, 12920), (2380, 12806), (2584, 11795), (2660, 11458), (2696, 11305), (3230, 9436), (3370, 9044), (4522, 6740), (4718, 6460), (4760, 6403), (5320, 5729)]