1218690720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65101}}^1$

素因数の和:65135

約数の個数: 144

約数和(自身を含む): 4478757192

約数和(自身を除く): 3260066472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 65101, 130202, 195303, 260404, 325505, 390606, 520808, 585909, 651010, 781212, 846313, 976515, 1041616, 1171818, 1302020, 1562424, 1692626, 1953030, 2083232, 2343636, 2538939, 2604040, 2929545, 3124848, 3385252, 3906060, 4231565, 4687272, 5077878, 5208080, 5859090, 6249696, 6770504, 7616817, 7812120, 8463130, 9374544, 10155756, 10416160, 11718180, 12694695, 13541008, 15233634, 15624240, 16926260, 18749088, 20311512, 23436360, 25389390, 27082016, 30467268, 31248480, 33852520, 38084085, 40623024, 46872720, 50778780, 60934536, 67705040, 76168170, 81246048, 93745440, 101557560, 121869072, 135410080, 152336340, 203115120, 243738144, 304672680, 406230240, 609345360, 1218690720]

約数ペア:

[(1, 1218690720), (2, 609345360), (3, 406230240), (4, 304672680), (5, 243738144), (6, 203115120), (8, 152336340), (9, 135410080), (10, 121869072), (12, 101557560), (13, 93745440), (15, 81246048), (16, 76168170), (18, 67705040), (20, 60934536), (24, 50778780), (26, 46872720), (30, 40623024), (32, 38084085), (36, 33852520), (39, 31248480), (40, 30467268), (45, 27082016), (48, 25389390), (52, 23436360), (60, 20311512), (65, 18749088), (72, 16926260), (78, 15624240), (80, 15233634), (90, 13541008), (96, 12694695), (104, 11718180), (117, 10416160), (120, 10155756), (130, 9374544), (144, 8463130), (156, 7812120), (160, 7616817), (180, 6770504), (195, 6249696), (208, 5859090), (234, 5208080), (240, 5077878), (260, 4687272), (288, 4231565), (312, 3906060), (360, 3385252), (390, 3124848), (416, 2929545), (468, 2604040), (480, 2538939), (520, 2343636), (585, 2083232), (624, 1953030), (720, 1692626), (780, 1562424), (936, 1302020), (1040, 1171818), (1170, 1041616), (1248, 976515), (1440, 846313), (1560, 781212), (1872, 651010), (2080, 585909), (2340, 520808), (3120, 390606), (3744, 325505), (4680, 260404), (6240, 195303), (9360, 130202), (18720, 65101)]