28220400

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 300

約数和(自身を含む): 110699512

約数和(自身を除く): 82479112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 67, 72, 75, 78, 80, 81, 90, 100, 104, 108, 117, 120, 130, 134, 135, 144, 150, 156, 162, 180, 195, 200, 201, 208, 216, 225, 234, 240, 260, 268, 270, 300, 312, 324, 325, 335, 351, 360, 390, 400, 402, 405, 432, 450, 468, 520, 536, 540, 585, 600, 603, 624, 648, 650, 670, 675, 702, 720, 780, 804, 810, 871, 900, 936, 975, 1005, 1040, 1053, 1072, 1080, 1170, 1200, 1206, 1296, 1300, 1340, 1350, 1404, 1560, 1608, 1620, 1675, 1742, 1755, 1800, 1809, 1872, 1950, 2010, 2025, 2106, 2160, 2340, 2412, 2600, 2613, 2680, 2700, 2808, 2925, 3015, 3120, 3216, 3240, 3350, 3484, 3510, 3600, 3618, 3900, 4020, 4050, 4212, 4355, 4680, 4824, 5025, 5200, 5226, 5265, 5360, 5400, 5427, 5616, 5850, 6030, 6480, 6700, 6968, 7020, 7236, 7800, 7839, 8040, 8100, 8424, 8710, 8775, 9045, 9360, 9648, 10050, 10452, 10530, 10800, 10854, 11700, 12060, 13065, 13400, 13936, 14040, 14472, 15075, 15600, 15678, 16080, 16200, 16848, 17420, 17550, 18090, 20100, 20904, 21060, 21708, 21775, 23400, 23517, 24120, 26130, 26325, 26800, 27135, 28080, 28944, 30150, 31356, 32400, 34840, 35100, 36180, 39195, 40200, 41808, 42120, 43416, 43550, 45225, 46800, 47034, 48240, 52260, 52650, 54270, 60300, 62712, 65325, 69680, 70200, 70551, 72360, 78390, 80400, 84240, 86832, 87100, 90450, 94068, 104520, 105300, 108540, 117585, 120600, 125424, 130650, 135675, 140400, 141102, 144720, 156780, 174200, 180900, 188136, 195975, 209040, 210600, 217080, 235170, 241200, 261300, 271350, 282204, 313560, 348400, 352755, 361800, 376272, 391950, 421200, 434160, 470340, 522600, 542700, 564408, 587925, 627120, 705510, 723600, 783900, 940680, 1045200, 1085400, 1128816, 1175850, 1411020, 1567800, 1763775, 1881360, 2170800, 2351700, 2822040, 3135600, 3527550, 4703400, 5644080, 7055100, 9406800, 14110200, 28220400]

約数ペア:

[(1, 28220400), (2, 14110200), (3, 9406800), (4, 7055100), (5, 5644080), (6, 4703400), (8, 3527550), (9, 3135600), (10, 2822040), (12, 2351700), (13, 2170800), (15, 1881360), (16, 1763775), (18, 1567800), (20, 1411020), (24, 1175850), (25, 1128816), (26, 1085400), (27, 1045200), (30, 940680), (36, 783900), (39, 723600), (40, 705510), (45, 627120), (48, 587925), (50, 564408), (52, 542700), (54, 522600), (60, 470340), (65, 434160), (67, 421200), (72, 391950), (75, 376272), (78, 361800), (80, 352755), (81, 348400), (90, 313560), (100, 282204), (104, 271350), (108, 261300), (117, 241200), (120, 235170), (130, 217080), (134, 210600), (135, 209040), (144, 195975), (150, 188136), (156, 180900), (162, 174200), (180, 156780), (195, 144720), (200, 141102), (201, 140400), (208, 135675), (216, 130650), (225, 125424), (234, 120600), (240, 117585), (260, 108540), (268, 105300), (270, 104520), (300, 94068), (312, 90450), (324, 87100), (325, 86832), (335, 84240), (351, 80400), (360, 78390), (390, 72360), (400, 70551), (402, 70200), (405, 69680), (432, 65325), (450, 62712), (468, 60300), (520, 54270), (536, 52650), (540, 52260), (585, 48240), (600, 47034), (603, 46800), (624, 45225), (648, 43550), (650, 43416), (670, 42120), (675, 41808), (702, 40200), (720, 39195), (780, 36180), (804, 35100), (810, 34840), (871, 32400), (900, 31356), (936, 30150), (975, 28944), (1005, 28080), (1040, 27135), (1053, 26800), (1072, 26325), (1080, 26130), (1170, 24120), (1200, 23517), (1206, 23400), (1296, 21775), (1300, 21708), (1340, 21060), (1350, 20904), (1404, 20100), (1560, 18090), (1608, 17550), (1620, 17420), (1675, 16848), (1742, 16200), (1755, 16080), (1800, 15678), (1809, 15600), (1872, 15075), (1950, 14472), (2010, 14040), (2025, 13936), (2106, 13400), (2160, 13065), (2340, 12060), (2412, 11700), (2600, 10854), (2613, 10800), (2680, 10530), (2700, 10452), (2808, 10050), (2925, 9648), (3015, 9360), (3120, 9045), (3216, 8775), (3240, 8710), (3350, 8424), (3484, 8100), (3510, 8040), (3600, 7839), (3618, 7800), (3900, 7236), (4020, 7020), (4050, 6968), (4212, 6700), (4355, 6480), (4680, 6030), (4824, 5850), (5025, 5616), (5200, 5427), (5226, 5400), (5265, 5360)]