17920800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 216

約数和(自身を含む): 67026960

約数和(自身を除く): 49106160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 131, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 262, 285, 288, 300, 304, 342, 360, 380, 393, 400, 450, 456, 475, 480, 524, 570, 600, 608, 655, 684, 720, 760, 786, 800, 855, 900, 912, 950, 1048, 1140, 1179, 1200, 1310, 1368, 1425, 1440, 1520, 1572, 1710, 1800, 1824, 1900, 1965, 2096, 2280, 2358, 2400, 2489, 2620, 2736, 2850, 3040, 3144, 3275, 3420, 3600, 3800, 3930, 4192, 4275, 4560, 4716, 4978, 5240, 5472, 5700, 5895, 6288, 6550, 6840, 7200, 7467, 7600, 7860, 8550, 9120, 9432, 9825, 9956, 10480, 11400, 11790, 12445, 12576, 13100, 13680, 14934, 15200, 15720, 17100, 18864, 19650, 19912, 20960, 22401, 22800, 23580, 24890, 26200, 27360, 29475, 29868, 31440, 34200, 37335, 37728, 39300, 39824, 44802, 45600, 47160, 49780, 52400, 58950, 59736, 62225, 62880, 68400, 74670, 78600, 79648, 89604, 94320, 99560, 104800, 112005, 117900, 119472, 124450, 136800, 149340, 157200, 179208, 186675, 188640, 199120, 224010, 235800, 238944, 248900, 298680, 314400, 358416, 373350, 398240, 448020, 471600, 497800, 560025, 597360, 716832, 746700, 896040, 943200, 995600, 1120050, 1194720, 1493400, 1792080, 1991200, 2240100, 2986800, 3584160, 4480200, 5973600, 8960400, 17920800]

約数ペア:

[(1, 17920800), (2, 8960400), (3, 5973600), (4, 4480200), (5, 3584160), (6, 2986800), (8, 2240100), (9, 1991200), (10, 1792080), (12, 1493400), (15, 1194720), (16, 1120050), (18, 995600), (19, 943200), (20, 896040), (24, 746700), (25, 716832), (30, 597360), (32, 560025), (36, 497800), (38, 471600), (40, 448020), (45, 398240), (48, 373350), (50, 358416), (57, 314400), (60, 298680), (72, 248900), (75, 238944), (76, 235800), (80, 224010), (90, 199120), (95, 188640), (96, 186675), (100, 179208), (114, 157200), (120, 149340), (131, 136800), (144, 124450), (150, 119472), (152, 117900), (160, 112005), (171, 104800), (180, 99560), (190, 94320), (200, 89604), (225, 79648), (228, 78600), (240, 74670), (262, 68400), (285, 62880), (288, 62225), (300, 59736), (304, 58950), (342, 52400), (360, 49780), (380, 47160), (393, 45600), (400, 44802), (450, 39824), (456, 39300), (475, 37728), (480, 37335), (524, 34200), (570, 31440), (600, 29868), (608, 29475), (655, 27360), (684, 26200), (720, 24890), (760, 23580), (786, 22800), (800, 22401), (855, 20960), (900, 19912), (912, 19650), (950, 18864), (1048, 17100), (1140, 15720), (1179, 15200), (1200, 14934), (1310, 13680), (1368, 13100), (1425, 12576), (1440, 12445), (1520, 11790), (1572, 11400), (1710, 10480), (1800, 9956), (1824, 9825), (1900, 9432), (1965, 9120), (2096, 8550), (2280, 7860), (2358, 7600), (2400, 7467), (2489, 7200), (2620, 6840), (2736, 6550), (2850, 6288), (3040, 5895), (3144, 5700), (3275, 5472), (3420, 5240), (3600, 4978), (3800, 4716), (3930, 4560), (4192, 4275)]