28640700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 162

約数和(自身を含む): 99050952

約数和(自身を除く): 70410252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 121, 132, 150, 165, 180, 198, 220, 225, 242, 263, 275, 300, 330, 363, 396, 450, 484, 495, 526, 550, 605, 660, 726, 789, 825, 900, 990, 1052, 1089, 1100, 1210, 1315, 1452, 1578, 1650, 1815, 1980, 2178, 2367, 2420, 2475, 2630, 2893, 3025, 3156, 3300, 3630, 3945, 4356, 4734, 4950, 5260, 5445, 5786, 6050, 6575, 7260, 7890, 8679, 9075, 9468, 9900, 10890, 11572, 11835, 12100, 13150, 14465, 15780, 17358, 18150, 19725, 21780, 23670, 26037, 26300, 27225, 28930, 31823, 34716, 36300, 39450, 43395, 47340, 52074, 54450, 57860, 59175, 63646, 72325, 78900, 86790, 95469, 104148, 108900, 118350, 127292, 130185, 144650, 159115, 173580, 190938, 216975, 236700, 260370, 286407, 289300, 318230, 381876, 433950, 477345, 520740, 572814, 636460, 650925, 795575, 867900, 954690, 1145628, 1301850, 1432035, 1591150, 1909380, 2386725, 2603700, 2864070, 3182300, 4773450, 5728140, 7160175, 9546900, 14320350, 28640700]

約数ペア:

[(1, 28640700), (2, 14320350), (3, 9546900), (4, 7160175), (5, 5728140), (6, 4773450), (9, 3182300), (10, 2864070), (11, 2603700), (12, 2386725), (15, 1909380), (18, 1591150), (20, 1432035), (22, 1301850), (25, 1145628), (30, 954690), (33, 867900), (36, 795575), (44, 650925), (45, 636460), (50, 572814), (55, 520740), (60, 477345), (66, 433950), (75, 381876), (90, 318230), (99, 289300), (100, 286407), (110, 260370), (121, 236700), (132, 216975), (150, 190938), (165, 173580), (180, 159115), (198, 144650), (220, 130185), (225, 127292), (242, 118350), (263, 108900), (275, 104148), (300, 95469), (330, 86790), (363, 78900), (396, 72325), (450, 63646), (484, 59175), (495, 57860), (526, 54450), (550, 52074), (605, 47340), (660, 43395), (726, 39450), (789, 36300), (825, 34716), (900, 31823), (990, 28930), (1052, 27225), (1089, 26300), (1100, 26037), (1210, 23670), (1315, 21780), (1452, 19725), (1578, 18150), (1650, 17358), (1815, 15780), (1980, 14465), (2178, 13150), (2367, 12100), (2420, 11835), (2475, 11572), (2630, 10890), (2893, 9900), (3025, 9468), (3156, 9075), (3300, 8679), (3630, 7890), (3945, 7260), (4356, 6575), (4734, 6050), (4950, 5786), (5260, 5445)]