720812520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:989

約数の個数: 160

約数和(自身を含む): 2433261600

約数和(自身を除く): 1712449080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 379, 405, 540, 587, 648, 758, 810, 1080, 1137, 1174, 1516, 1620, 1761, 1895, 2274, 2348, 2935, 3032, 3240, 3411, 3522, 3790, 4548, 4696, 5283, 5685, 5870, 6822, 7044, 7580, 8805, 9096, 10233, 10566, 11370, 11740, 13644, 14088, 15160, 15849, 17055, 17610, 20466, 21132, 22740, 23480, 26415, 27288, 30699, 31698, 34110, 35220, 40932, 42264, 45480, 47547, 51165, 52830, 61398, 63396, 68220, 70440, 79245, 81864, 95094, 102330, 105660, 122796, 126792, 136440, 153495, 158490, 190188, 204660, 211320, 222473, 237735, 245592, 306990, 316980, 380376, 409320, 444946, 475470, 613980, 633960, 667419, 889892, 950940, 1112365, 1227960, 1334838, 1779784, 1901880, 2002257, 2224730, 2669676, 3337095, 4004514, 4449460, 5339352, 6006771, 6674190, 8009028, 8898920, 10011285, 12013542, 13348380, 16018056, 18020313, 20022570, 24027084, 26696760, 30033855, 36040626, 40045140, 48054168, 60067710, 72081252, 80090280, 90101565, 120135420, 144162504, 180203130, 240270840, 360406260, 720812520]

約数ペア:

[(1, 720812520), (2, 360406260), (3, 240270840), (4, 180203130), (5, 144162504), (6, 120135420), (8, 90101565), (9, 80090280), (10, 72081252), (12, 60067710), (15, 48054168), (18, 40045140), (20, 36040626), (24, 30033855), (27, 26696760), (30, 24027084), (36, 20022570), (40, 18020313), (45, 16018056), (54, 13348380), (60, 12013542), (72, 10011285), (81, 8898920), (90, 8009028), (108, 6674190), (120, 6006771), (135, 5339352), (162, 4449460), (180, 4004514), (216, 3337095), (270, 2669676), (324, 2224730), (360, 2002257), (379, 1901880), (405, 1779784), (540, 1334838), (587, 1227960), (648, 1112365), (758, 950940), (810, 889892), (1080, 667419), (1137, 633960), (1174, 613980), (1516, 475470), (1620, 444946), (1761, 409320), (1895, 380376), (2274, 316980), (2348, 306990), (2935, 245592), (3032, 237735), (3240, 222473), (3411, 211320), (3522, 204660), (3790, 190188), (4548, 158490), (4696, 153495), (5283, 136440), (5685, 126792), (5870, 122796), (6822, 105660), (7044, 102330), (7580, 95094), (8805, 81864), (9096, 79245), (10233, 70440), (10566, 68220), (11370, 63396), (11740, 61398), (13644, 52830), (14088, 51165), (15160, 47547), (15849, 45480), (17055, 42264), (17610, 40932), (20466, 35220), (21132, 34110), (22740, 31698), (23480, 30699), (26415, 27288)]