80131920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 274268160

約数和(自身を除く): 194136240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 127, 132, 165, 176, 220, 239, 240, 254, 264, 330, 381, 440, 478, 508, 528, 635, 660, 717, 762, 880, 956, 1016, 1195, 1270, 1320, 1397, 1434, 1524, 1905, 1912, 2032, 2390, 2540, 2629, 2640, 2794, 2868, 3048, 3585, 3810, 3824, 4191, 4780, 5080, 5258, 5588, 5736, 6096, 6985, 7170, 7620, 7887, 8382, 9560, 10160, 10516, 11176, 11472, 13145, 13970, 14340, 15240, 15774, 16764, 19120, 20955, 21032, 22352, 26290, 27940, 28680, 30353, 30480, 31548, 33528, 39435, 41910, 42064, 52580, 55880, 57360, 60706, 63096, 67056, 78870, 83820, 91059, 105160, 111760, 121412, 126192, 151765, 157740, 167640, 182118, 210320, 242824, 303530, 315480, 333883, 335280, 364236, 455295, 485648, 607060, 630960, 667766, 728472, 910590, 1001649, 1214120, 1335532, 1456944, 1669415, 1821180, 2003298, 2428240, 2671064, 3338830, 3642360, 4006596, 5008245, 5342128, 6677660, 7284720, 8013192, 10016490, 13355320, 16026384, 20032980, 26710640, 40065960, 80131920]

約数ペア:

[(1, 80131920), (2, 40065960), (3, 26710640), (4, 20032980), (5, 16026384), (6, 13355320), (8, 10016490), (10, 8013192), (11, 7284720), (12, 6677660), (15, 5342128), (16, 5008245), (20, 4006596), (22, 3642360), (24, 3338830), (30, 2671064), (33, 2428240), (40, 2003298), (44, 1821180), (48, 1669415), (55, 1456944), (60, 1335532), (66, 1214120), (80, 1001649), (88, 910590), (110, 728472), (120, 667766), (127, 630960), (132, 607060), (165, 485648), (176, 455295), (220, 364236), (239, 335280), (240, 333883), (254, 315480), (264, 303530), (330, 242824), (381, 210320), (440, 182118), (478, 167640), (508, 157740), (528, 151765), (635, 126192), (660, 121412), (717, 111760), (762, 105160), (880, 91059), (956, 83820), (1016, 78870), (1195, 67056), (1270, 63096), (1320, 60706), (1397, 57360), (1434, 55880), (1524, 52580), (1905, 42064), (1912, 41910), (2032, 39435), (2390, 33528), (2540, 31548), (2629, 30480), (2640, 30353), (2794, 28680), (2868, 27940), (3048, 26290), (3585, 22352), (3810, 21032), (3824, 20955), (4191, 19120), (4780, 16764), (5080, 15774), (5258, 15240), (5588, 14340), (5736, 13970), (6096, 13145), (6985, 11472), (7170, 11176), (7620, 10516), (7887, 10160), (8382, 9560)]