13000240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 35622720

約数和(自身を除く): 22622480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 79, 80, 85, 88, 110, 121, 136, 158, 170, 176, 187, 220, 242, 272, 316, 340, 374, 395, 440, 484, 605, 632, 680, 748, 790, 869, 880, 935, 968, 1210, 1264, 1343, 1360, 1496, 1580, 1738, 1870, 1936, 2057, 2420, 2686, 2992, 3160, 3476, 3740, 4114, 4345, 4840, 5372, 6320, 6715, 6952, 7480, 8228, 8690, 9559, 9680, 10285, 10744, 13430, 13904, 14773, 14960, 16456, 17380, 19118, 20570, 21488, 26860, 29546, 32912, 34760, 38236, 41140, 47795, 53720, 59092, 69520, 73865, 76472, 82280, 95590, 107440, 118184, 147730, 152944, 162503, 164560, 191180, 236368, 295460, 325006, 382360, 590920, 650012, 764720, 812515, 1181840, 1300024, 1625030, 2600048, 3250060, 6500120, 13000240]

約数ペア:

[(1, 13000240), (2, 6500120), (4, 3250060), (5, 2600048), (8, 1625030), (10, 1300024), (11, 1181840), (16, 812515), (17, 764720), (20, 650012), (22, 590920), (34, 382360), (40, 325006), (44, 295460), (55, 236368), (68, 191180), (79, 164560), (80, 162503), (85, 152944), (88, 147730), (110, 118184), (121, 107440), (136, 95590), (158, 82280), (170, 76472), (176, 73865), (187, 69520), (220, 59092), (242, 53720), (272, 47795), (316, 41140), (340, 38236), (374, 34760), (395, 32912), (440, 29546), (484, 26860), (605, 21488), (632, 20570), (680, 19118), (748, 17380), (790, 16456), (869, 14960), (880, 14773), (935, 13904), (968, 13430), (1210, 10744), (1264, 10285), (1343, 9680), (1360, 9559), (1496, 8690), (1580, 8228), (1738, 7480), (1870, 6952), (1936, 6715), (2057, 6320), (2420, 5372), (2686, 4840), (2992, 4345), (3160, 4114), (3476, 3740)]