81398400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 274461600

約数和(自身を除く): 193063200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 64, 75, 80, 96, 100, 120, 122, 128, 139, 150, 160, 183, 192, 200, 240, 244, 278, 300, 305, 320, 366, 384, 400, 417, 480, 488, 556, 600, 610, 640, 695, 732, 800, 834, 915, 960, 976, 1112, 1200, 1220, 1390, 1464, 1525, 1600, 1668, 1830, 1920, 1952, 2085, 2224, 2400, 2440, 2780, 2928, 3050, 3200, 3336, 3475, 3660, 3904, 4170, 4448, 4575, 4800, 4880, 5560, 5856, 6100, 6672, 6950, 7320, 7808, 8340, 8479, 8896, 9150, 9600, 9760, 10425, 11120, 11712, 12200, 13344, 13900, 14640, 16680, 16958, 17792, 18300, 19520, 20850, 22240, 23424, 24400, 25437, 26688, 27800, 29280, 33360, 33916, 36600, 39040, 41700, 42395, 44480, 48800, 50874, 53376, 55600, 58560, 66720, 67832, 73200, 83400, 84790, 88960, 97600, 101748, 111200, 117120, 127185, 133440, 135664, 146400, 166800, 169580, 195200, 203496, 211975, 222400, 254370, 266880, 271328, 292800, 333600, 339160, 406992, 423950, 444800, 508740, 542656, 585600, 635925, 667200, 678320, 813984, 847900, 1017480, 1085312, 1271850, 1334400, 1356640, 1627968, 1695800, 2034960, 2543700, 2713280, 3255936, 3391600, 4069920, 5087400, 5426560, 6783200, 8139840, 10174800, 13566400, 16279680, 20349600, 27132800, 40699200, 81398400]

約数ペア:

[(1, 81398400), (2, 40699200), (3, 27132800), (4, 20349600), (5, 16279680), (6, 13566400), (8, 10174800), (10, 8139840), (12, 6783200), (15, 5426560), (16, 5087400), (20, 4069920), (24, 3391600), (25, 3255936), (30, 2713280), (32, 2543700), (40, 2034960), (48, 1695800), (50, 1627968), (60, 1356640), (61, 1334400), (64, 1271850), (75, 1085312), (80, 1017480), (96, 847900), (100, 813984), (120, 678320), (122, 667200), (128, 635925), (139, 585600), (150, 542656), (160, 508740), (183, 444800), (192, 423950), (200, 406992), (240, 339160), (244, 333600), (278, 292800), (300, 271328), (305, 266880), (320, 254370), (366, 222400), (384, 211975), (400, 203496), (417, 195200), (480, 169580), (488, 166800), (556, 146400), (600, 135664), (610, 133440), (640, 127185), (695, 117120), (732, 111200), (800, 101748), (834, 97600), (915, 88960), (960, 84790), (976, 83400), (1112, 73200), (1200, 67832), (1220, 66720), (1390, 58560), (1464, 55600), (1525, 53376), (1600, 50874), (1668, 48800), (1830, 44480), (1920, 42395), (1952, 41700), (2085, 39040), (2224, 36600), (2400, 33916), (2440, 33360), (2780, 29280), (2928, 27800), (3050, 26688), (3200, 25437), (3336, 24400), (3475, 23424), (3660, 22240), (3904, 20850), (4170, 19520), (4448, 18300), (4575, 17792), (4800, 16958), (4880, 16680), (5560, 14640), (5856, 13900), (6100, 13344), (6672, 12200), (6950, 11712), (7320, 11120), (7808, 10425), (8340, 9760), (8479, 9600), (8896, 9150)]