1683780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 5698560

約数和(自身を除く): 4014780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 211, 228, 266, 285, 380, 399, 420, 422, 532, 570, 633, 665, 798, 844, 1055, 1140, 1266, 1330, 1477, 1596, 1995, 2110, 2532, 2660, 2954, 3165, 3990, 4009, 4220, 4431, 5908, 6330, 7385, 7980, 8018, 8862, 12027, 12660, 14770, 16036, 17724, 20045, 22155, 24054, 28063, 29540, 40090, 44310, 48108, 56126, 60135, 80180, 84189, 88620, 112252, 120270, 140315, 168378, 240540, 280630, 336756, 420945, 561260, 841890, 1683780]

約数ペア:

[(1, 1683780), (2, 841890), (3, 561260), (4, 420945), (5, 336756), (6, 280630), (7, 240540), (10, 168378), (12, 140315), (14, 120270), (15, 112252), (19, 88620), (20, 84189), (21, 80180), (28, 60135), (30, 56126), (35, 48108), (38, 44310), (42, 40090), (57, 29540), (60, 28063), (70, 24054), (76, 22155), (84, 20045), (95, 17724), (105, 16036), (114, 14770), (133, 12660), (140, 12027), (190, 8862), (210, 8018), (211, 7980), (228, 7385), (266, 6330), (285, 5908), (380, 4431), (399, 4220), (420, 4009), (422, 3990), (532, 3165), (570, 2954), (633, 2660), (665, 2532), (798, 2110), (844, 1995), (1055, 1596), (1140, 1477), (1266, 1330)]