254011520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 729259200

約数和(自身を除く): 475247680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 64, 70, 80, 112, 118, 124, 128, 140, 155, 160, 217, 224, 236, 248, 280, 295, 310, 320, 413, 434, 448, 472, 496, 560, 590, 620, 640, 826, 868, 896, 944, 961, 992, 1085, 1120, 1180, 1240, 1652, 1736, 1829, 1888, 1922, 1984, 2065, 2170, 2240, 2360, 2480, 3304, 3472, 3658, 3776, 3844, 3968, 4130, 4340, 4480, 4720, 4805, 4960, 6608, 6727, 6944, 7316, 7552, 7688, 8260, 8680, 9145, 9440, 9610, 9920, 12803, 13216, 13454, 13888, 14632, 15376, 16520, 17360, 18290, 18880, 19220, 19840, 25606, 26432, 26908, 27776, 29264, 30752, 33040, 33635, 34720, 36580, 37760, 38440, 51212, 52864, 53816, 56699, 58528, 61504, 64015, 66080, 67270, 69440, 73160, 76880, 102424, 107632, 113398, 117056, 123008, 128030, 132160, 134540, 138880, 146320, 153760, 204848, 215264, 226796, 234112, 256060, 264320, 269080, 283495, 292640, 307520, 396893, 409696, 430528, 453592, 512120, 538160, 566990, 585280, 615040, 793786, 819392, 861056, 907184, 1024240, 1076320, 1133980, 1170560, 1587572, 1638784, 1814368, 1984465, 2048480, 2152640, 2267960, 3175144, 3628736, 3968930, 4096960, 4305280, 4535920, 6350288, 7257472, 7937860, 8193920, 9071840, 12700576, 15875720, 18143680, 25401152, 31751440, 36287360, 50802304, 63502880, 127005760, 254011520]

約数ペア:

[(1, 254011520), (2, 127005760), (4, 63502880), (5, 50802304), (7, 36287360), (8, 31751440), (10, 25401152), (14, 18143680), (16, 15875720), (20, 12700576), (28, 9071840), (31, 8193920), (32, 7937860), (35, 7257472), (40, 6350288), (56, 4535920), (59, 4305280), (62, 4096960), (64, 3968930), (70, 3628736), (80, 3175144), (112, 2267960), (118, 2152640), (124, 2048480), (128, 1984465), (140, 1814368), (155, 1638784), (160, 1587572), (217, 1170560), (224, 1133980), (236, 1076320), (248, 1024240), (280, 907184), (295, 861056), (310, 819392), (320, 793786), (413, 615040), (434, 585280), (448, 566990), (472, 538160), (496, 512120), (560, 453592), (590, 430528), (620, 409696), (640, 396893), (826, 307520), (868, 292640), (896, 283495), (944, 269080), (961, 264320), (992, 256060), (1085, 234112), (1120, 226796), (1180, 215264), (1240, 204848), (1652, 153760), (1736, 146320), (1829, 138880), (1888, 134540), (1922, 132160), (1984, 128030), (2065, 123008), (2170, 117056), (2240, 113398), (2360, 107632), (2480, 102424), (3304, 76880), (3472, 73160), (3658, 69440), (3776, 67270), (3844, 66080), (3968, 64015), (4130, 61504), (4340, 58528), (4480, 56699), (4720, 53816), (4805, 52864), (4960, 51212), (6608, 38440), (6727, 37760), (6944, 36580), (7316, 34720), (7552, 33635), (7688, 33040), (8260, 30752), (8680, 29264), (9145, 27776), (9440, 26908), (9610, 26432), (9920, 25606), (12803, 19840), (13216, 19220), (13454, 18880), (13888, 18290), (14632, 17360), (15376, 16520)]