172398780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1910

約数の個数: 144

約数和(自身を含む): 571159680

約数和(自身を除く): 398760900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 1867, 2052, 2430, 2565, 3078, 3420, 3734, 4617, 4860, 5130, 5601, 6156, 7468, 7695, 9234, 9335, 10260, 11202, 15390, 16803, 18468, 18670, 22404, 23085, 28005, 30780, 33606, 35473, 37340, 46170, 50409, 56010, 67212, 70946, 84015, 92340, 100818, 106419, 112020, 141892, 151227, 168030, 177365, 201636, 212838, 252045, 302454, 319257, 336060, 354730, 425676, 453681, 504090, 532095, 604908, 638514, 709460, 756135, 907362, 957771, 1008180, 1064190, 1277028, 1512270, 1596285, 1814724, 1915542, 2128380, 2268405, 2873313, 3024540, 3192570, 3831084, 4536810, 4788855, 5746626, 6385140, 8619939, 9073620, 9577710, 11493252, 14366565, 17239878, 19155420, 28733130, 34479756, 43099695, 57466260, 86199390, 172398780]

約数ペア:

[(1, 172398780), (2, 86199390), (3, 57466260), (4, 43099695), (5, 34479756), (6, 28733130), (9, 19155420), (10, 17239878), (12, 14366565), (15, 11493252), (18, 9577710), (19, 9073620), (20, 8619939), (27, 6385140), (30, 5746626), (36, 4788855), (38, 4536810), (45, 3831084), (54, 3192570), (57, 3024540), (60, 2873313), (76, 2268405), (81, 2128380), (90, 1915542), (95, 1814724), (108, 1596285), (114, 1512270), (135, 1277028), (162, 1064190), (171, 1008180), (180, 957771), (190, 907362), (228, 756135), (243, 709460), (270, 638514), (285, 604908), (324, 532095), (342, 504090), (380, 453681), (405, 425676), (486, 354730), (513, 336060), (540, 319257), (570, 302454), (684, 252045), (810, 212838), (855, 201636), (972, 177365), (1026, 168030), (1140, 151227), (1215, 141892), (1539, 112020), (1620, 106419), (1710, 100818), (1867, 92340), (2052, 84015), (2430, 70946), (2565, 67212), (3078, 56010), (3420, 50409), (3734, 46170), (4617, 37340), (4860, 35473), (5130, 33606), (5601, 30780), (6156, 28005), (7468, 23085), (7695, 22404), (9234, 18670), (9335, 18468), (10260, 16803), (11202, 15390)]