71809360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 213200640

約数和(自身を除く): 141391280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 170, 190, 238, 266, 272, 280, 304, 323, 340, 380, 397, 476, 532, 560, 595, 646, 665, 680, 760, 794, 952, 1064, 1190, 1292, 1330, 1360, 1520, 1588, 1615, 1904, 1985, 2128, 2261, 2380, 2584, 2660, 2779, 3176, 3230, 3970, 4522, 4760, 5168, 5320, 5558, 6352, 6460, 6749, 7543, 7940, 9044, 9520, 10640, 11116, 11305, 12920, 13498, 13895, 15086, 15880, 18088, 22232, 22610, 25840, 26996, 27790, 30172, 31760, 33745, 36176, 37715, 44464, 45220, 47243, 52801, 53992, 55580, 60344, 67490, 75430, 90440, 94486, 105602, 107984, 111160, 120688, 128231, 134980, 150860, 180880, 188972, 211204, 222320, 236215, 256462, 264005, 269960, 301720, 377944, 422408, 472430, 512924, 528010, 539920, 603440, 641155, 755888, 844816, 897617, 944860, 1025848, 1056020, 1282310, 1795234, 1889720, 2051696, 2112040, 2564620, 3590468, 3779440, 4224080, 4488085, 5129240, 7180936, 8976170, 10258480, 14361872, 17952340, 35904680, 71809360]

約数ペア:

[(1, 71809360), (2, 35904680), (4, 17952340), (5, 14361872), (7, 10258480), (8, 8976170), (10, 7180936), (14, 5129240), (16, 4488085), (17, 4224080), (19, 3779440), (20, 3590468), (28, 2564620), (34, 2112040), (35, 2051696), (38, 1889720), (40, 1795234), (56, 1282310), (68, 1056020), (70, 1025848), (76, 944860), (80, 897617), (85, 844816), (95, 755888), (112, 641155), (119, 603440), (133, 539920), (136, 528010), (140, 512924), (152, 472430), (170, 422408), (190, 377944), (238, 301720), (266, 269960), (272, 264005), (280, 256462), (304, 236215), (323, 222320), (340, 211204), (380, 188972), (397, 180880), (476, 150860), (532, 134980), (560, 128231), (595, 120688), (646, 111160), (665, 107984), (680, 105602), (760, 94486), (794, 90440), (952, 75430), (1064, 67490), (1190, 60344), (1292, 55580), (1330, 53992), (1360, 52801), (1520, 47243), (1588, 45220), (1615, 44464), (1904, 37715), (1985, 36176), (2128, 33745), (2261, 31760), (2380, 30172), (2584, 27790), (2660, 26996), (2779, 25840), (3176, 22610), (3230, 22232), (3970, 18088), (4522, 15880), (4760, 15086), (5168, 13895), (5320, 13498), (5558, 12920), (6352, 11305), (6460, 11116), (6749, 10640), (7543, 9520), (7940, 9044)]