19178400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 63933408

約数和(自身を除く): 44755008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 75, 80, 96, 100, 120, 122, 131, 150, 160, 183, 200, 240, 244, 262, 300, 305, 366, 393, 400, 480, 488, 524, 600, 610, 655, 732, 786, 800, 915, 976, 1048, 1200, 1220, 1310, 1464, 1525, 1572, 1830, 1952, 1965, 2096, 2400, 2440, 2620, 2928, 3050, 3144, 3275, 3660, 3930, 4192, 4575, 4880, 5240, 5856, 6100, 6288, 6550, 7320, 7860, 7991, 9150, 9760, 9825, 10480, 12200, 12576, 13100, 14640, 15720, 15982, 18300, 19650, 20960, 23973, 24400, 26200, 29280, 31440, 31964, 36600, 39300, 39955, 47946, 48800, 52400, 62880, 63928, 73200, 78600, 79910, 95892, 104800, 119865, 127856, 146400, 157200, 159820, 191784, 199775, 239730, 255712, 314400, 319640, 383568, 399550, 479460, 599325, 639280, 767136, 799100, 958920, 1198650, 1278560, 1598200, 1917840, 2397300, 3196400, 3835680, 4794600, 6392800, 9589200, 19178400]

約数ペア:

[(1, 19178400), (2, 9589200), (3, 6392800), (4, 4794600), (5, 3835680), (6, 3196400), (8, 2397300), (10, 1917840), (12, 1598200), (15, 1278560), (16, 1198650), (20, 958920), (24, 799100), (25, 767136), (30, 639280), (32, 599325), (40, 479460), (48, 399550), (50, 383568), (60, 319640), (61, 314400), (75, 255712), (80, 239730), (96, 199775), (100, 191784), (120, 159820), (122, 157200), (131, 146400), (150, 127856), (160, 119865), (183, 104800), (200, 95892), (240, 79910), (244, 78600), (262, 73200), (300, 63928), (305, 62880), (366, 52400), (393, 48800), (400, 47946), (480, 39955), (488, 39300), (524, 36600), (600, 31964), (610, 31440), (655, 29280), (732, 26200), (786, 24400), (800, 23973), (915, 20960), (976, 19650), (1048, 18300), (1200, 15982), (1220, 15720), (1310, 14640), (1464, 13100), (1525, 12576), (1572, 12200), (1830, 10480), (1952, 9825), (1965, 9760), (2096, 9150), (2400, 7991), (2440, 7860), (2620, 7320), (2928, 6550), (3050, 6288), (3144, 6100), (3275, 5856), (3660, 5240), (3930, 4880), (4192, 4575)]