31189200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 118087680

約数和(自身を除く): 86898480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 48, 50, 56, 60, 70, 75, 79, 80, 84, 94, 100, 105, 112, 120, 140, 141, 150, 158, 168, 175, 188, 200, 210, 235, 237, 240, 280, 282, 300, 316, 329, 336, 350, 376, 395, 400, 420, 470, 474, 525, 553, 560, 564, 600, 632, 658, 700, 705, 752, 790, 840, 940, 948, 987, 1050, 1106, 1128, 1175, 1185, 1200, 1264, 1316, 1400, 1410, 1580, 1645, 1659, 1680, 1880, 1896, 1974, 1975, 2100, 2212, 2256, 2350, 2370, 2632, 2765, 2800, 2820, 3160, 3290, 3318, 3525, 3713, 3760, 3792, 3948, 3950, 4200, 4424, 4700, 4740, 4935, 5264, 5530, 5640, 5925, 6320, 6580, 6636, 7050, 7426, 7896, 7900, 8225, 8295, 8400, 8848, 9400, 9480, 9870, 11060, 11139, 11280, 11850, 13160, 13272, 13825, 14100, 14852, 15792, 15800, 16450, 16590, 18565, 18800, 18960, 19740, 22120, 22278, 23700, 24675, 25991, 26320, 26544, 27650, 28200, 29704, 31600, 32900, 33180, 37130, 39480, 41475, 44240, 44556, 47400, 49350, 51982, 55300, 55695, 56400, 59408, 65800, 66360, 74260, 77973, 78960, 82950, 89112, 92825, 94800, 98700, 103964, 110600, 111390, 129955, 131600, 132720, 148520, 155946, 165900, 178224, 185650, 197400, 207928, 221200, 222780, 259910, 278475, 297040, 311892, 331800, 371300, 389865, 394800, 415856, 445560, 519820, 556950, 623784, 649775, 663600, 742600, 779730, 891120, 1039640, 1113900, 1247568, 1299550, 1485200, 1559460, 1949325, 2079280, 2227800, 2599100, 3118920, 3898650, 4455600, 5198200, 6237840, 7797300, 10396400, 15594600, 31189200]

約数ペア:

[(1, 31189200), (2, 15594600), (3, 10396400), (4, 7797300), (5, 6237840), (6, 5198200), (7, 4455600), (8, 3898650), (10, 3118920), (12, 2599100), (14, 2227800), (15, 2079280), (16, 1949325), (20, 1559460), (21, 1485200), (24, 1299550), (25, 1247568), (28, 1113900), (30, 1039640), (35, 891120), (40, 779730), (42, 742600), (47, 663600), (48, 649775), (50, 623784), (56, 556950), (60, 519820), (70, 445560), (75, 415856), (79, 394800), (80, 389865), (84, 371300), (94, 331800), (100, 311892), (105, 297040), (112, 278475), (120, 259910), (140, 222780), (141, 221200), (150, 207928), (158, 197400), (168, 185650), (175, 178224), (188, 165900), (200, 155946), (210, 148520), (235, 132720), (237, 131600), (240, 129955), (280, 111390), (282, 110600), (300, 103964), (316, 98700), (329, 94800), (336, 92825), (350, 89112), (376, 82950), (395, 78960), (400, 77973), (420, 74260), (470, 66360), (474, 65800), (525, 59408), (553, 56400), (560, 55695), (564, 55300), (600, 51982), (632, 49350), (658, 47400), (700, 44556), (705, 44240), (752, 41475), (790, 39480), (840, 37130), (940, 33180), (948, 32900), (987, 31600), (1050, 29704), (1106, 28200), (1128, 27650), (1175, 26544), (1185, 26320), (1200, 25991), (1264, 24675), (1316, 23700), (1400, 22278), (1410, 22120), (1580, 19740), (1645, 18960), (1659, 18800), (1680, 18565), (1880, 16590), (1896, 16450), (1974, 15800), (1975, 15792), (2100, 14852), (2212, 14100), (2256, 13825), (2350, 13272), (2370, 13160), (2632, 11850), (2765, 11280), (2800, 11139), (2820, 11060), (3160, 9870), (3290, 9480), (3318, 9400), (3525, 8848), (3713, 8400), (3760, 8295), (3792, 8225), (3948, 7900), (3950, 7896), (4200, 7426), (4424, 7050), (4700, 6636), (4740, 6580), (4935, 6320), (5264, 5925), (5530, 5640)]