998640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 3578640

約数和(自身を除く): 2580000

約数列:

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

約数ペア:

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