278112120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 256

約数和(自身を含む): 1032998400

約数和(自身を除く): 754886280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 19, 20, 22, 24, 26, 30, 33, 38, 39, 40, 44, 52, 55, 57, 60, 65, 66, 76, 78, 88, 95, 104, 110, 114, 120, 130, 132, 143, 152, 156, 165, 190, 195, 209, 220, 228, 247, 260, 264, 285, 286, 312, 330, 380, 390, 418, 429, 440, 456, 494, 520, 570, 572, 627, 660, 715, 741, 760, 780, 836, 853, 858, 988, 1045, 1140, 1144, 1235, 1254, 1320, 1430, 1482, 1560, 1672, 1706, 1716, 1976, 2090, 2145, 2280, 2470, 2508, 2559, 2717, 2860, 2964, 3135, 3412, 3432, 3705, 4180, 4265, 4290, 4940, 5016, 5118, 5434, 5720, 5928, 6270, 6824, 7410, 8151, 8360, 8530, 8580, 9383, 9880, 10236, 10868, 11089, 12540, 12795, 13585, 14820, 16207, 16302, 17060, 17160, 18766, 20472, 21736, 22178, 25080, 25590, 27170, 28149, 29640, 32414, 32604, 33267, 34120, 37532, 40755, 44356, 46915, 48621, 51180, 54340, 55445, 56298, 64828, 65208, 66534, 75064, 81035, 81510, 88712, 93830, 97242, 102360, 108680, 110890, 112596, 121979, 129656, 133068, 140745, 162070, 163020, 166335, 178277, 187660, 194484, 210691, 221780, 225192, 243105, 243958, 266136, 281490, 324140, 326040, 332670, 356554, 365937, 375320, 388968, 421382, 443560, 486210, 487916, 534831, 562980, 609895, 632073, 648280, 665340, 713108, 731874, 842764, 891385, 972420, 975832, 1053455, 1069662, 1125960, 1219790, 1264146, 1330680, 1426216, 1463748, 1685528, 1782770, 1829685, 1944840, 2106910, 2139324, 2317601, 2439580, 2528292, 2674155, 2927496, 3160365, 3565540, 3659370, 4213820, 4278648, 4635202, 4879160, 5056584, 5348310, 6320730, 6952803, 7131080, 7318740, 8427640, 9270404, 10696620, 11588005, 12641460, 13905606, 14637480, 18540808, 21393240, 23176010, 25282920, 27811212, 34764015, 46352020, 55622424, 69528030, 92704040, 139056060, 278112120]

約数ペア:

[(1, 278112120), (2, 139056060), (3, 92704040), (4, 69528030), (5, 55622424), (6, 46352020), (8, 34764015), (10, 27811212), (11, 25282920), (12, 23176010), (13, 21393240), (15, 18540808), (19, 14637480), (20, 13905606), (22, 12641460), (24, 11588005), (26, 10696620), (30, 9270404), (33, 8427640), (38, 7318740), (39, 7131080), (40, 6952803), (44, 6320730), (52, 5348310), (55, 5056584), (57, 4879160), (60, 4635202), (65, 4278648), (66, 4213820), (76, 3659370), (78, 3565540), (88, 3160365), (95, 2927496), (104, 2674155), (110, 2528292), (114, 2439580), (120, 2317601), (130, 2139324), (132, 2106910), (143, 1944840), (152, 1829685), (156, 1782770), (165, 1685528), (190, 1463748), (195, 1426216), (209, 1330680), (220, 1264146), (228, 1219790), (247, 1125960), (260, 1069662), (264, 1053455), (285, 975832), (286, 972420), (312, 891385), (330, 842764), (380, 731874), (390, 713108), (418, 665340), (429, 648280), (440, 632073), (456, 609895), (494, 562980), (520, 534831), (570, 487916), (572, 486210), (627, 443560), (660, 421382), (715, 388968), (741, 375320), (760, 365937), (780, 356554), (836, 332670), (853, 326040), (858, 324140), (988, 281490), (1045, 266136), (1140, 243958), (1144, 243105), (1235, 225192), (1254, 221780), (1320, 210691), (1430, 194484), (1482, 187660), (1560, 178277), (1672, 166335), (1706, 163020), (1716, 162070), (1976, 140745), (2090, 133068), (2145, 129656), (2280, 121979), (2470, 112596), (2508, 110890), (2559, 108680), (2717, 102360), (2860, 97242), (2964, 93830), (3135, 88712), (3412, 81510), (3432, 81035), (3705, 75064), (4180, 66534), (4265, 65208), (4290, 64828), (4940, 56298), (5016, 55445), (5118, 54340), (5434, 51180), (5720, 48621), (5928, 46915), (6270, 44356), (6824, 40755), (7410, 37532), (8151, 34120), (8360, 33267), (8530, 32604), (8580, 32414), (9383, 29640), (9880, 28149), (10236, 27170), (10868, 25590), (11089, 25080), (12540, 22178), (12795, 21736), (13585, 20472), (14820, 18766), (16207, 17160), (16302, 17060)]