19380000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 70852320

約数和(自身を除く): 51472320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 25, 30, 32, 34, 38, 40, 48, 50, 51, 57, 60, 68, 75, 76, 80, 85, 95, 96, 100, 102, 114, 120, 125, 136, 150, 152, 160, 170, 190, 200, 204, 228, 240, 250, 255, 272, 285, 300, 304, 323, 340, 375, 380, 400, 408, 425, 456, 475, 480, 500, 510, 544, 570, 600, 608, 625, 646, 680, 750, 760, 800, 816, 850, 912, 950, 969, 1000, 1020, 1140, 1200, 1250, 1275, 1292, 1360, 1425, 1500, 1520, 1615, 1632, 1700, 1824, 1875, 1900, 1938, 2000, 2040, 2125, 2280, 2375, 2400, 2500, 2550, 2584, 2720, 2850, 3000, 3040, 3230, 3400, 3750, 3800, 3876, 4000, 4080, 4250, 4560, 4750, 4845, 5000, 5100, 5168, 5700, 6000, 6375, 6460, 6800, 7125, 7500, 7600, 7752, 8075, 8160, 8500, 9120, 9500, 9690, 10000, 10200, 10336, 10625, 11400, 11875, 12000, 12750, 12920, 13600, 14250, 15000, 15200, 15504, 16150, 17000, 19000, 19380, 20000, 20400, 21250, 22800, 23750, 24225, 25500, 25840, 28500, 30000, 31008, 31875, 32300, 34000, 35625, 38000, 38760, 40375, 40800, 42500, 45600, 47500, 48450, 51000, 51680, 57000, 60000, 63750, 64600, 68000, 71250, 76000, 77520, 80750, 85000, 95000, 96900, 102000, 114000, 121125, 127500, 129200, 142500, 155040, 161500, 170000, 190000, 193800, 201875, 204000, 228000, 242250, 255000, 258400, 285000, 323000, 340000, 380000, 387600, 403750, 484500, 510000, 570000, 605625, 646000, 775200, 807500, 969000, 1020000, 1140000, 1211250, 1292000, 1615000, 1938000, 2422500, 3230000, 3876000, 4845000, 6460000, 9690000, 19380000]

約数ペア:

[(1, 19380000), (2, 9690000), (3, 6460000), (4, 4845000), (5, 3876000), (6, 3230000), (8, 2422500), (10, 1938000), (12, 1615000), (15, 1292000), (16, 1211250), (17, 1140000), (19, 1020000), (20, 969000), (24, 807500), (25, 775200), (30, 646000), (32, 605625), (34, 570000), (38, 510000), (40, 484500), (48, 403750), (50, 387600), (51, 380000), (57, 340000), (60, 323000), (68, 285000), (75, 258400), (76, 255000), (80, 242250), (85, 228000), (95, 204000), (96, 201875), (100, 193800), (102, 190000), (114, 170000), (120, 161500), (125, 155040), (136, 142500), (150, 129200), (152, 127500), (160, 121125), (170, 114000), (190, 102000), (200, 96900), (204, 95000), (228, 85000), (240, 80750), (250, 77520), (255, 76000), (272, 71250), (285, 68000), (300, 64600), (304, 63750), (323, 60000), (340, 57000), (375, 51680), (380, 51000), (400, 48450), (408, 47500), (425, 45600), (456, 42500), (475, 40800), (480, 40375), (500, 38760), (510, 38000), (544, 35625), (570, 34000), (600, 32300), (608, 31875), (625, 31008), (646, 30000), (680, 28500), (750, 25840), (760, 25500), (800, 24225), (816, 23750), (850, 22800), (912, 21250), (950, 20400), (969, 20000), (1000, 19380), (1020, 19000), (1140, 17000), (1200, 16150), (1250, 15504), (1275, 15200), (1292, 15000), (1360, 14250), (1425, 13600), (1500, 12920), (1520, 12750), (1615, 12000), (1632, 11875), (1700, 11400), (1824, 10625), (1875, 10336), (1900, 10200), (1938, 10000), (2000, 9690), (2040, 9500), (2125, 9120), (2280, 8500), (2375, 8160), (2400, 8075), (2500, 7752), (2550, 7600), (2584, 7500), (2720, 7125), (2850, 6800), (3000, 6460), (3040, 6375), (3230, 6000), (3400, 5700), (3750, 5168), (3800, 5100), (3876, 5000), (4000, 4845), (4080, 4750), (4250, 4560)]