280413900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2663}}^1$

素因数の和:2702

約数の個数: 180

約数和(自身を含む): 979281072

約数和(自身を除く): 698867172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 180, 195, 225, 234, 260, 270, 300, 324, 325, 351, 390, 405, 450, 468, 540, 585, 650, 675, 702, 780, 810, 900, 975, 1053, 1170, 1300, 1350, 1404, 1620, 1755, 1950, 2025, 2106, 2340, 2663, 2700, 2925, 3510, 3900, 4050, 4212, 5265, 5326, 5850, 7020, 7989, 8100, 8775, 10530, 10652, 11700, 13315, 15978, 17550, 21060, 23967, 26325, 26630, 31956, 34619, 35100, 39945, 47934, 52650, 53260, 66575, 69238, 71901, 79890, 95868, 103857, 105300, 119835, 133150, 138476, 143802, 159780, 173095, 199725, 207714, 215703, 239670, 266300, 287604, 311571, 346190, 359505, 399450, 415428, 431406, 479340, 519285, 599175, 623142, 692380, 719010, 798900, 862812, 865475, 934713, 1038570, 1078515, 1198350, 1246284, 1438020, 1557855, 1730950, 1797525, 1869426, 2077140, 2157030, 2396700, 2596425, 2804139, 3115710, 3461900, 3595050, 3738852, 4314060, 4673565, 5192850, 5392575, 5608278, 6231420, 7190100, 7789275, 9347130, 10385700, 10785150, 11216556, 14020695, 15578550, 18694260, 21570300, 23367825, 28041390, 31157100, 46735650, 56082780, 70103475, 93471300, 140206950, 280413900]

約数ペア:

[(1, 280413900), (2, 140206950), (3, 93471300), (4, 70103475), (5, 56082780), (6, 46735650), (9, 31157100), (10, 28041390), (12, 23367825), (13, 21570300), (15, 18694260), (18, 15578550), (20, 14020695), (25, 11216556), (26, 10785150), (27, 10385700), (30, 9347130), (36, 7789275), (39, 7190100), (45, 6231420), (50, 5608278), (52, 5392575), (54, 5192850), (60, 4673565), (65, 4314060), (75, 3738852), (78, 3595050), (81, 3461900), (90, 3115710), (100, 2804139), (108, 2596425), (117, 2396700), (130, 2157030), (135, 2077140), (150, 1869426), (156, 1797525), (162, 1730950), (180, 1557855), (195, 1438020), (225, 1246284), (234, 1198350), (260, 1078515), (270, 1038570), (300, 934713), (324, 865475), (325, 862812), (351, 798900), (390, 719010), (405, 692380), (450, 623142), (468, 599175), (540, 519285), (585, 479340), (650, 431406), (675, 415428), (702, 399450), (780, 359505), (810, 346190), (900, 311571), (975, 287604), (1053, 266300), (1170, 239670), (1300, 215703), (1350, 207714), (1404, 199725), (1620, 173095), (1755, 159780), (1950, 143802), (2025, 138476), (2106, 133150), (2340, 119835), (2663, 105300), (2700, 103857), (2925, 95868), (3510, 79890), (3900, 71901), (4050, 69238), (4212, 66575), (5265, 53260), (5326, 52650), (5850, 47934), (7020, 39945), (7989, 35100), (8100, 34619), (8775, 31956), (10530, 26630), (10652, 26325), (11700, 23967), (13315, 21060), (15978, 17550)]