999444420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5273}}^1$

素因数の和:5313

約数の個数: 168

約数和(自身を含む): 3389515416

約数和(自身を除く): 2390070996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 729, 780, 810, 972, 1053, 1170, 1215, 1404, 1458, 1620, 1755, 2106, 2340, 2430, 2916, 3159, 3510, 3645, 4212, 4860, 5265, 5273, 6318, 7020, 7290, 9477, 10530, 10546, 12636, 14580, 15795, 15819, 18954, 21060, 21092, 26365, 31590, 31638, 37908, 47385, 47457, 52730, 63180, 63276, 68549, 79095, 94770, 94914, 105460, 137098, 142371, 158190, 189540, 189828, 205647, 237285, 274196, 284742, 316380, 342745, 411294, 427113, 474570, 569484, 616941, 685490, 711855, 822588, 854226, 949140, 1028235, 1233882, 1281339, 1370980, 1423710, 1708452, 1850823, 2056470, 2135565, 2467764, 2562678, 2847420, 3084705, 3701646, 3844017, 4112940, 4271130, 5125356, 5552469, 6169410, 6406695, 7403292, 7688034, 8542260, 9254115, 11104938, 12338820, 12813390, 15376068, 16657407, 18508230, 19220085, 22209876, 25626780, 27762345, 33314814, 37016460, 38440170, 49972221, 55524690, 66629628, 76880340, 83287035, 99944442, 111049380, 166574070, 199888884, 249861105, 333148140, 499722210, 999444420]

約数ペア:

[(1, 999444420), (2, 499722210), (3, 333148140), (4, 249861105), (5, 199888884), (6, 166574070), (9, 111049380), (10, 99944442), (12, 83287035), (13, 76880340), (15, 66629628), (18, 55524690), (20, 49972221), (26, 38440170), (27, 37016460), (30, 33314814), (36, 27762345), (39, 25626780), (45, 22209876), (52, 19220085), (54, 18508230), (60, 16657407), (65, 15376068), (78, 12813390), (81, 12338820), (90, 11104938), (108, 9254115), (117, 8542260), (130, 7688034), (135, 7403292), (156, 6406695), (162, 6169410), (180, 5552469), (195, 5125356), (234, 4271130), (243, 4112940), (260, 3844017), (270, 3701646), (324, 3084705), (351, 2847420), (390, 2562678), (405, 2467764), (468, 2135565), (486, 2056470), (540, 1850823), (585, 1708452), (702, 1423710), (729, 1370980), (780, 1281339), (810, 1233882), (972, 1028235), (1053, 949140), (1170, 854226), (1215, 822588), (1404, 711855), (1458, 685490), (1620, 616941), (1755, 569484), (2106, 474570), (2340, 427113), (2430, 411294), (2916, 342745), (3159, 316380), (3510, 284742), (3645, 274196), (4212, 237285), (4860, 205647), (5265, 189828), (5273, 189540), (6318, 158190), (7020, 142371), (7290, 137098), (9477, 105460), (10530, 94914), (10546, 94770), (12636, 79095), (14580, 68549), (15795, 63276), (15819, 63180), (18954, 52730), (21060, 47457), (21092, 47385), (26365, 37908), (31590, 31638)]