1997280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 7272720

約数和(自身を除く): 5275440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 96, 114, 120, 144, 146, 152, 160, 171, 180, 190, 219, 228, 240, 285, 288, 292, 304, 342, 360, 365, 380, 438, 456, 480, 570, 584, 608, 657, 684, 720, 730, 760, 855, 876, 912, 1095, 1140, 1168, 1314, 1368, 1387, 1440, 1460, 1520, 1710, 1752, 1824, 2190, 2280, 2336, 2628, 2736, 2774, 2920, 3040, 3285, 3420, 3504, 4161, 4380, 4560, 5256, 5472, 5548, 5840, 6570, 6840, 6935, 7008, 8322, 8760, 9120, 10512, 11096, 11680, 12483, 13140, 13680, 13870, 16644, 17520, 20805, 21024, 22192, 24966, 26280, 27360, 27740, 33288, 35040, 41610, 44384, 49932, 52560, 55480, 62415, 66576, 83220, 99864, 105120, 110960, 124830, 133152, 166440, 199728, 221920, 249660, 332880, 399456, 499320, 665760, 998640, 1997280]

約数ペア:

[(1, 1997280), (2, 998640), (3, 665760), (4, 499320), (5, 399456), (6, 332880), (8, 249660), (9, 221920), (10, 199728), (12, 166440), (15, 133152), (16, 124830), (18, 110960), (19, 105120), (20, 99864), (24, 83220), (30, 66576), (32, 62415), (36, 55480), (38, 52560), (40, 49932), (45, 44384), (48, 41610), (57, 35040), (60, 33288), (72, 27740), (73, 27360), (76, 26280), (80, 24966), (90, 22192), (95, 21024), (96, 20805), (114, 17520), (120, 16644), (144, 13870), (146, 13680), (152, 13140), (160, 12483), (171, 11680), (180, 11096), (190, 10512), (219, 9120), (228, 8760), (240, 8322), (285, 7008), (288, 6935), (292, 6840), (304, 6570), (342, 5840), (360, 5548), (365, 5472), (380, 5256), (438, 4560), (456, 4380), (480, 4161), (570, 3504), (584, 3420), (608, 3285), (657, 3040), (684, 2920), (720, 2774), (730, 2736), (760, 2628), (855, 2336), (876, 2280), (912, 2190), (1095, 1824), (1140, 1752), (1168, 1710), (1314, 1520), (1368, 1460), (1387, 1440)]