15240720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 53996544

約数和(自身を除く): 38755824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 251, 253, 264, 276, 330, 345, 368, 440, 460, 502, 506, 528, 552, 660, 690, 753, 759, 880, 920, 1004, 1012, 1104, 1255, 1265, 1320, 1380, 1506, 1518, 1840, 2008, 2024, 2510, 2530, 2640, 2760, 2761, 3012, 3036, 3765, 3795, 4016, 4048, 5020, 5060, 5520, 5522, 5773, 6024, 6072, 7530, 7590, 8283, 10040, 10120, 11044, 11546, 12048, 12144, 13805, 15060, 15180, 16566, 17319, 20080, 20240, 22088, 23092, 27610, 28865, 30120, 30360, 33132, 34638, 41415, 44176, 46184, 55220, 57730, 60240, 60720, 63503, 66264, 69276, 82830, 86595, 92368, 110440, 115460, 127006, 132528, 138552, 165660, 173190, 190509, 220880, 230920, 254012, 277104, 317515, 331320, 346380, 381018, 461840, 508024, 635030, 662640, 692760, 762036, 952545, 1016048, 1270060, 1385520, 1524072, 1905090, 2540120, 3048144, 3810180, 5080240, 7620360, 15240720]

約数ペア:

[(1, 15240720), (2, 7620360), (3, 5080240), (4, 3810180), (5, 3048144), (6, 2540120), (8, 1905090), (10, 1524072), (11, 1385520), (12, 1270060), (15, 1016048), (16, 952545), (20, 762036), (22, 692760), (23, 662640), (24, 635030), (30, 508024), (33, 461840), (40, 381018), (44, 346380), (46, 331320), (48, 317515), (55, 277104), (60, 254012), (66, 230920), (69, 220880), (80, 190509), (88, 173190), (92, 165660), (110, 138552), (115, 132528), (120, 127006), (132, 115460), (138, 110440), (165, 92368), (176, 86595), (184, 82830), (220, 69276), (230, 66264), (240, 63503), (251, 60720), (253, 60240), (264, 57730), (276, 55220), (330, 46184), (345, 44176), (368, 41415), (440, 34638), (460, 33132), (502, 30360), (506, 30120), (528, 28865), (552, 27610), (660, 23092), (690, 22088), (753, 20240), (759, 20080), (880, 17319), (920, 16566), (1004, 15180), (1012, 15060), (1104, 13805), (1255, 12144), (1265, 12048), (1320, 11546), (1380, 11044), (1506, 10120), (1518, 10040), (1840, 8283), (2008, 7590), (2024, 7530), (2510, 6072), (2530, 6024), (2640, 5773), (2760, 5522), (2761, 5520), (3012, 5060), (3036, 5020), (3765, 4048), (3795, 4016)]