39974480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:86

約数の個数: 240

約数和(自身を含む): 127908480

約数和(自身を除く): 87934000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 19, 20, 26, 28, 34, 35, 38, 40, 52, 56, 65, 68, 70, 76, 80, 85, 91, 95, 104, 112, 119, 130, 133, 136, 140, 152, 170, 182, 190, 208, 221, 238, 247, 260, 266, 272, 280, 289, 304, 323, 340, 364, 380, 442, 455, 476, 494, 520, 532, 560, 578, 595, 646, 665, 680, 728, 760, 884, 910, 952, 988, 1040, 1064, 1105, 1156, 1190, 1235, 1292, 1330, 1360, 1445, 1456, 1520, 1547, 1615, 1729, 1768, 1820, 1904, 1976, 2023, 2128, 2210, 2261, 2312, 2380, 2470, 2584, 2660, 2890, 3094, 3230, 3458, 3536, 3640, 3757, 3952, 4046, 4199, 4420, 4522, 4624, 4760, 4940, 5168, 5320, 5491, 5780, 6188, 6460, 6916, 7280, 7514, 7735, 8092, 8398, 8645, 8840, 9044, 9520, 9880, 10115, 10640, 10982, 11305, 11560, 12376, 12920, 13832, 15028, 15470, 16184, 16796, 17290, 17680, 18088, 18785, 19760, 20230, 20995, 21964, 22610, 23120, 24752, 25840, 26299, 27455, 27664, 29393, 30056, 30940, 32368, 33592, 34580, 36176, 37570, 38437, 40460, 41990, 43928, 45220, 52598, 54910, 58786, 60112, 61880, 67184, 69160, 71383, 75140, 76874, 80920, 83980, 87856, 90440, 105196, 109820, 117572, 123760, 131495, 138320, 142766, 146965, 150280, 153748, 161840, 167960, 180880, 192185, 210392, 219640, 235144, 262990, 285532, 293930, 300560, 307496, 335920, 356915, 384370, 420784, 439280, 470288, 499681, 525980, 571064, 587860, 614992, 713830, 768740, 999362, 1051960, 1142128, 1175720, 1427660, 1537480, 1998724, 2103920, 2351440, 2498405, 2855320, 3074960, 3997448, 4996810, 5710640, 7994896, 9993620, 19987240, 39974480]

約数ペア:

[(1, 39974480), (2, 19987240), (4, 9993620), (5, 7994896), (7, 5710640), (8, 4996810), (10, 3997448), (13, 3074960), (14, 2855320), (16, 2498405), (17, 2351440), (19, 2103920), (20, 1998724), (26, 1537480), (28, 1427660), (34, 1175720), (35, 1142128), (38, 1051960), (40, 999362), (52, 768740), (56, 713830), (65, 614992), (68, 587860), (70, 571064), (76, 525980), (80, 499681), (85, 470288), (91, 439280), (95, 420784), (104, 384370), (112, 356915), (119, 335920), (130, 307496), (133, 300560), (136, 293930), (140, 285532), (152, 262990), (170, 235144), (182, 219640), (190, 210392), (208, 192185), (221, 180880), (238, 167960), (247, 161840), (260, 153748), (266, 150280), (272, 146965), (280, 142766), (289, 138320), (304, 131495), (323, 123760), (340, 117572), (364, 109820), (380, 105196), (442, 90440), (455, 87856), (476, 83980), (494, 80920), (520, 76874), (532, 75140), (560, 71383), (578, 69160), (595, 67184), (646, 61880), (665, 60112), (680, 58786), (728, 54910), (760, 52598), (884, 45220), (910, 43928), (952, 41990), (988, 40460), (1040, 38437), (1064, 37570), (1105, 36176), (1156, 34580), (1190, 33592), (1235, 32368), (1292, 30940), (1330, 30056), (1360, 29393), (1445, 27664), (1456, 27455), (1520, 26299), (1547, 25840), (1615, 24752), (1729, 23120), (1768, 22610), (1820, 21964), (1904, 20995), (1976, 20230), (2023, 19760), (2128, 18785), (2210, 18088), (2261, 17680), (2312, 17290), (2380, 16796), (2470, 16184), (2584, 15470), (2660, 15028), (2890, 13832), (3094, 12920), (3230, 12376), (3458, 11560), (3536, 11305), (3640, 10982), (3757, 10640), (3952, 10115), (4046, 9880), (4199, 9520), (4420, 9044), (4522, 8840), (4624, 8645), (4760, 8398), (4940, 8092), (5168, 7735), (5320, 7514), (5491, 7280), (5780, 6916), (6188, 6460)]