221428480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1942

約数の個数: 144

約数和(自身を含む): 653131584

約数和(自身を除く): 431703104

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 1901, 2080, 2240, 2912, 3328, 3640, 3802, 4160, 4480, 5824, 7280, 7604, 8320, 8960, 9505, 11648, 13307, 14560, 15208, 16640, 19010, 23296, 24713, 26614, 29120, 30416, 38020, 49426, 53228, 58240, 60832, 66535, 76040, 98852, 106456, 116480, 121664, 123565, 133070, 152080, 172991, 197704, 212912, 243328, 247130, 266140, 304160, 345982, 395408, 425824, 486656, 494260, 532280, 608320, 691964, 790816, 851648, 864955, 988520, 1064560, 1216640, 1383928, 1581632, 1703296, 1729910, 1977040, 2129120, 2433280, 2767856, 3163264, 3406592, 3459820, 3954080, 4258240, 5535712, 6326528, 6919640, 7908160, 8516480, 11071424, 13839280, 15816320, 17032960, 22142848, 27678560, 31632640, 44285696, 55357120, 110714240, 221428480]

約数ペア:

[(1, 221428480), (2, 110714240), (4, 55357120), (5, 44285696), (7, 31632640), (8, 27678560), (10, 22142848), (13, 17032960), (14, 15816320), (16, 13839280), (20, 11071424), (26, 8516480), (28, 7908160), (32, 6919640), (35, 6326528), (40, 5535712), (52, 4258240), (56, 3954080), (64, 3459820), (65, 3406592), (70, 3163264), (80, 2767856), (91, 2433280), (104, 2129120), (112, 1977040), (128, 1729910), (130, 1703296), (140, 1581632), (160, 1383928), (182, 1216640), (208, 1064560), (224, 988520), (256, 864955), (260, 851648), (280, 790816), (320, 691964), (364, 608320), (416, 532280), (448, 494260), (455, 486656), (520, 425824), (560, 395408), (640, 345982), (728, 304160), (832, 266140), (896, 247130), (910, 243328), (1040, 212912), (1120, 197704), (1280, 172991), (1456, 152080), (1664, 133070), (1792, 123565), (1820, 121664), (1901, 116480), (2080, 106456), (2240, 98852), (2912, 76040), (3328, 66535), (3640, 60832), (3802, 58240), (4160, 53228), (4480, 49426), (5824, 38020), (7280, 30416), (7604, 29120), (8320, 26614), (8960, 24713), (9505, 23296), (11648, 19010), (13307, 16640), (14560, 15208)]