1237965520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 240

約数和(自身を含む): 3419781120

約数和(自身を除く): 2181815600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 53, 55, 76, 80, 88, 95, 106, 110, 121, 127, 152, 176, 190, 209, 212, 220, 242, 254, 265, 304, 380, 418, 424, 440, 484, 508, 530, 583, 605, 635, 760, 836, 848, 880, 968, 1007, 1016, 1045, 1060, 1166, 1210, 1270, 1397, 1520, 1672, 1936, 2014, 2032, 2090, 2120, 2299, 2332, 2413, 2420, 2540, 2794, 2915, 3344, 4028, 4180, 4240, 4598, 4664, 4826, 4840, 5035, 5080, 5588, 5830, 6413, 6731, 6985, 8056, 8360, 9196, 9328, 9652, 9680, 10070, 10160, 11077, 11176, 11495, 11660, 12065, 12826, 13462, 13970, 15367, 16112, 16720, 18392, 19304, 20140, 22154, 22352, 22990, 23320, 24130, 25652, 26543, 26924, 27940, 30734, 32065, 33655, 36784, 38608, 40280, 44308, 45980, 46640, 48260, 51304, 53086, 53848, 55385, 55880, 61468, 64130, 67310, 74041, 76835, 80560, 88616, 91960, 96520, 102608, 106172, 107696, 110770, 111760, 121847, 122936, 127889, 128260, 132715, 134620, 148082, 153670, 177232, 183920, 193040, 212344, 221540, 243694, 245872, 255778, 256520, 265430, 269240, 291973, 296164, 307340, 370205, 424688, 443080, 487388, 511556, 513040, 530860, 538480, 583946, 592328, 609235, 614680, 639445, 740410, 814451, 886160, 974776, 1023112, 1061720, 1167892, 1184656, 1218470, 1229360, 1278890, 1406779, 1459865, 1480820, 1628902, 1949552, 2046224, 2123440, 2335784, 2436940, 2557780, 2813558, 2919730, 2961640, 3257804, 4072255, 4671568, 4873880, 5115560, 5627116, 5839460, 5923280, 6515608, 7033895, 8144510, 9747760, 10231120, 11254232, 11678920, 13031216, 14067790, 15474569, 16289020, 22508464, 23357840, 28135580, 30949138, 32578040, 56271160, 61898276, 65156080, 77372845, 112542320, 123796552, 154745690, 247593104, 309491380, 618982760, 1237965520]

約数ペア:

[(1, 1237965520), (2, 618982760), (4, 309491380), (5, 247593104), (8, 154745690), (10, 123796552), (11, 112542320), (16, 77372845), (19, 65156080), (20, 61898276), (22, 56271160), (38, 32578040), (40, 30949138), (44, 28135580), (53, 23357840), (55, 22508464), (76, 16289020), (80, 15474569), (88, 14067790), (95, 13031216), (106, 11678920), (110, 11254232), (121, 10231120), (127, 9747760), (152, 8144510), (176, 7033895), (190, 6515608), (209, 5923280), (212, 5839460), (220, 5627116), (242, 5115560), (254, 4873880), (265, 4671568), (304, 4072255), (380, 3257804), (418, 2961640), (424, 2919730), (440, 2813558), (484, 2557780), (508, 2436940), (530, 2335784), (583, 2123440), (605, 2046224), (635, 1949552), (760, 1628902), (836, 1480820), (848, 1459865), (880, 1406779), (968, 1278890), (1007, 1229360), (1016, 1218470), (1045, 1184656), (1060, 1167892), (1166, 1061720), (1210, 1023112), (1270, 974776), (1397, 886160), (1520, 814451), (1672, 740410), (1936, 639445), (2014, 614680), (2032, 609235), (2090, 592328), (2120, 583946), (2299, 538480), (2332, 530860), (2413, 513040), (2420, 511556), (2540, 487388), (2794, 443080), (2915, 424688), (3344, 370205), (4028, 307340), (4180, 296164), (4240, 291973), (4598, 269240), (4664, 265430), (4826, 256520), (4840, 255778), (5035, 245872), (5080, 243694), (5588, 221540), (5830, 212344), (6413, 193040), (6731, 183920), (6985, 177232), (8056, 153670), (8360, 148082), (9196, 134620), (9328, 132715), (9652, 128260), (9680, 127889), (10070, 122936), (10160, 121847), (11077, 111760), (11176, 110770), (11495, 107696), (11660, 106172), (12065, 102608), (12826, 96520), (13462, 91960), (13970, 88616), (15367, 80560), (16112, 76835), (16720, 74041), (18392, 67310), (19304, 64130), (20140, 61468), (22154, 55880), (22352, 55385), (22990, 53848), (23320, 53086), (24130, 51304), (25652, 48260), (26543, 46640), (26924, 45980), (27940, 44308), (30734, 40280), (32065, 38608), (33655, 36784)]