28243800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 109680480

約数和(自身を除く): 81436680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 25, 26, 30, 34, 36, 39, 40, 45, 50, 51, 52, 60, 65, 68, 71, 72, 75, 78, 85, 90, 100, 102, 104, 117, 120, 130, 136, 142, 150, 153, 156, 170, 180, 195, 200, 204, 213, 221, 225, 234, 255, 260, 284, 300, 306, 312, 325, 340, 355, 360, 390, 408, 425, 426, 442, 450, 468, 510, 520, 568, 585, 600, 612, 639, 650, 663, 680, 710, 765, 780, 850, 852, 884, 900, 923, 936, 975, 1020, 1065, 1105, 1170, 1207, 1224, 1275, 1278, 1300, 1326, 1420, 1530, 1560, 1700, 1704, 1768, 1775, 1800, 1846, 1950, 1989, 2040, 2130, 2210, 2340, 2414, 2550, 2556, 2600, 2652, 2769, 2840, 2925, 3060, 3195, 3315, 3400, 3550, 3621, 3692, 3825, 3900, 3978, 4260, 4420, 4615, 4680, 4828, 5100, 5112, 5304, 5325, 5525, 5538, 5850, 6035, 6120, 6390, 6630, 7100, 7242, 7384, 7650, 7800, 7956, 8307, 8520, 8840, 9230, 9656, 9945, 10200, 10650, 10863, 11050, 11076, 11700, 12070, 12780, 13260, 13845, 14200, 14484, 15300, 15691, 15912, 15975, 16575, 16614, 18105, 18460, 19890, 21300, 21726, 22100, 22152, 23075, 23400, 24140, 25560, 26520, 27690, 28968, 30175, 30600, 31382, 31950, 33150, 33228, 36210, 36920, 39780, 41535, 42600, 43452, 44200, 46150, 47073, 48280, 49725, 54315, 55380, 60350, 62764, 63900, 66300, 66456, 69225, 72420, 78455, 79560, 83070, 86904, 90525, 92300, 94146, 99450, 108630, 110760, 120700, 125528, 127800, 132600, 138450, 141219, 144840, 156910, 166140, 181050, 184600, 188292, 198900, 207675, 217260, 235365, 241400, 271575, 276900, 282438, 313820, 332280, 362100, 376584, 392275, 397800, 415350, 434520, 470730, 543150, 553800, 564876, 627640, 706095, 724200, 784550, 830700, 941460, 1086300, 1129752, 1176825, 1412190, 1569100, 1661400, 1882920, 2172600, 2353650, 2824380, 3138200, 3530475, 4707300, 5648760, 7060950, 9414600, 14121900, 28243800]

約数ペア:

[(1, 28243800), (2, 14121900), (3, 9414600), (4, 7060950), (5, 5648760), (6, 4707300), (8, 3530475), (9, 3138200), (10, 2824380), (12, 2353650), (13, 2172600), (15, 1882920), (17, 1661400), (18, 1569100), (20, 1412190), (24, 1176825), (25, 1129752), (26, 1086300), (30, 941460), (34, 830700), (36, 784550), (39, 724200), (40, 706095), (45, 627640), (50, 564876), (51, 553800), (52, 543150), (60, 470730), (65, 434520), (68, 415350), (71, 397800), (72, 392275), (75, 376584), (78, 362100), (85, 332280), (90, 313820), (100, 282438), (102, 276900), (104, 271575), (117, 241400), (120, 235365), (130, 217260), (136, 207675), (142, 198900), (150, 188292), (153, 184600), (156, 181050), (170, 166140), (180, 156910), (195, 144840), (200, 141219), (204, 138450), (213, 132600), (221, 127800), (225, 125528), (234, 120700), (255, 110760), (260, 108630), (284, 99450), (300, 94146), (306, 92300), (312, 90525), (325, 86904), (340, 83070), (355, 79560), (360, 78455), (390, 72420), (408, 69225), (425, 66456), (426, 66300), (442, 63900), (450, 62764), (468, 60350), (510, 55380), (520, 54315), (568, 49725), (585, 48280), (600, 47073), (612, 46150), (639, 44200), (650, 43452), (663, 42600), (680, 41535), (710, 39780), (765, 36920), (780, 36210), (850, 33228), (852, 33150), (884, 31950), (900, 31382), (923, 30600), (936, 30175), (975, 28968), (1020, 27690), (1065, 26520), (1105, 25560), (1170, 24140), (1207, 23400), (1224, 23075), (1275, 22152), (1278, 22100), (1300, 21726), (1326, 21300), (1420, 19890), (1530, 18460), (1560, 18105), (1700, 16614), (1704, 16575), (1768, 15975), (1775, 15912), (1800, 15691), (1846, 15300), (1950, 14484), (1989, 14200), (2040, 13845), (2130, 13260), (2210, 12780), (2340, 12070), (2414, 11700), (2550, 11076), (2556, 11050), (2600, 10863), (2652, 10650), (2769, 10200), (2840, 9945), (2925, 9656), (3060, 9230), (3195, 8840), (3315, 8520), (3400, 8307), (3550, 7956), (3621, 7800), (3692, 7650), (3825, 7384), (3900, 7242), (3978, 7100), (4260, 6630), (4420, 6390), (4615, 6120), (4680, 6035), (4828, 5850), (5100, 5538), (5112, 5525), (5304, 5325)]