251917120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 224

約数和(自身を含む): 759902976

約数和(自身を除く): 507985856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 56, 64, 65, 70, 80, 82, 91, 104, 112, 130, 140, 160, 164, 182, 205, 208, 211, 224, 260, 280, 287, 320, 328, 364, 410, 416, 422, 448, 455, 520, 533, 560, 574, 656, 728, 820, 832, 844, 910, 1040, 1055, 1066, 1120, 1148, 1312, 1435, 1456, 1477, 1640, 1688, 1820, 2080, 2110, 2132, 2240, 2296, 2624, 2665, 2743, 2870, 2912, 2954, 3280, 3376, 3640, 3731, 4160, 4220, 4264, 4592, 5330, 5486, 5740, 5824, 5908, 6560, 6752, 7280, 7385, 7462, 8440, 8528, 8651, 9184, 10660, 10972, 11480, 11816, 13120, 13504, 13715, 14560, 14770, 14924, 16880, 17056, 17302, 18368, 18655, 19201, 21320, 21944, 22960, 23632, 27430, 29120, 29540, 29848, 33760, 34112, 34604, 37310, 38402, 42640, 43255, 43888, 45920, 47264, 54860, 59080, 59696, 60557, 67520, 69208, 74620, 76804, 85280, 86510, 87776, 91840, 94528, 96005, 109720, 112463, 118160, 119392, 121114, 138416, 149240, 153608, 170560, 173020, 175552, 192010, 219440, 224926, 236320, 238784, 242228, 276832, 298480, 302785, 307216, 346040, 384020, 438880, 449852, 472640, 484456, 553664, 562315, 596960, 605570, 614432, 692080, 768040, 787241, 877760, 899704, 968912, 1124630, 1193920, 1211140, 1228864, 1384160, 1536080, 1574482, 1799408, 1937824, 2249260, 2422280, 2768320, 3072160, 3148964, 3598816, 3875648, 3936205, 4498520, 4844560, 6144320, 6297928, 7197632, 7872410, 8997040, 9689120, 12595856, 15744820, 17994080, 19378240, 25191712, 31489640, 35988160, 50383424, 62979280, 125958560, 251917120]

約数ペア:

[(1, 251917120), (2, 125958560), (4, 62979280), (5, 50383424), (7, 35988160), (8, 31489640), (10, 25191712), (13, 19378240), (14, 17994080), (16, 15744820), (20, 12595856), (26, 9689120), (28, 8997040), (32, 7872410), (35, 7197632), (40, 6297928), (41, 6144320), (52, 4844560), (56, 4498520), (64, 3936205), (65, 3875648), (70, 3598816), (80, 3148964), (82, 3072160), (91, 2768320), (104, 2422280), (112, 2249260), (130, 1937824), (140, 1799408), (160, 1574482), (164, 1536080), (182, 1384160), (205, 1228864), (208, 1211140), (211, 1193920), (224, 1124630), (260, 968912), (280, 899704), (287, 877760), (320, 787241), (328, 768040), (364, 692080), (410, 614432), (416, 605570), (422, 596960), (448, 562315), (455, 553664), (520, 484456), (533, 472640), (560, 449852), (574, 438880), (656, 384020), (728, 346040), (820, 307216), (832, 302785), (844, 298480), (910, 276832), (1040, 242228), (1055, 238784), (1066, 236320), (1120, 224926), (1148, 219440), (1312, 192010), (1435, 175552), (1456, 173020), (1477, 170560), (1640, 153608), (1688, 149240), (1820, 138416), (2080, 121114), (2110, 119392), (2132, 118160), (2240, 112463), (2296, 109720), (2624, 96005), (2665, 94528), (2743, 91840), (2870, 87776), (2912, 86510), (2954, 85280), (3280, 76804), (3376, 74620), (3640, 69208), (3731, 67520), (4160, 60557), (4220, 59696), (4264, 59080), (4592, 54860), (5330, 47264), (5486, 45920), (5740, 43888), (5824, 43255), (5908, 42640), (6560, 38402), (6752, 37310), (7280, 34604), (7385, 34112), (7462, 33760), (8440, 29848), (8528, 29540), (8651, 29120), (9184, 27430), (10660, 23632), (10972, 22960), (11480, 21944), (11816, 21320), (13120, 19201), (13504, 18655), (13715, 18368), (14560, 17302), (14770, 17056), (14924, 16880)]