17679690

素因数分解:

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

素因数の和:257

約数の個数: 144

約数和(自身を含む): 56553120

約数和(自身を除く): 38873430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 211, 245, 266, 285, 294, 315, 342, 399, 422, 441, 490, 570, 630, 633, 665, 735, 798, 855, 882, 931, 1055, 1197, 1266, 1330, 1470, 1477, 1710, 1862, 1899, 1995, 2110, 2205, 2394, 2793, 2954, 3165, 3798, 3990, 4009, 4410, 4431, 4655, 5586, 5985, 6330, 7385, 8018, 8379, 8862, 9310, 9495, 10339, 11970, 12027, 13293, 13965, 14770, 16758, 18990, 20045, 20678, 22155, 24054, 26586, 27930, 28063, 31017, 36081, 40090, 41895, 44310, 51695, 56126, 60135, 62034, 66465, 72162, 83790, 84189, 93051, 103390, 120270, 132930, 140315, 155085, 168378, 180405, 186102, 196441, 252567, 280630, 310170, 360810, 392882, 420945, 465255, 505134, 589323, 841890, 930510, 982205, 1178646, 1262835, 1767969, 1964410, 2525670, 2946615, 3535938, 5893230, 8839845, 17679690]

約数ペア:

[(1, 17679690), (2, 8839845), (3, 5893230), (5, 3535938), (6, 2946615), (7, 2525670), (9, 1964410), (10, 1767969), (14, 1262835), (15, 1178646), (18, 982205), (19, 930510), (21, 841890), (30, 589323), (35, 505134), (38, 465255), (42, 420945), (45, 392882), (49, 360810), (57, 310170), (63, 280630), (70, 252567), (90, 196441), (95, 186102), (98, 180405), (105, 168378), (114, 155085), (126, 140315), (133, 132930), (147, 120270), (171, 103390), (190, 93051), (210, 84189), (211, 83790), (245, 72162), (266, 66465), (285, 62034), (294, 60135), (315, 56126), (342, 51695), (399, 44310), (422, 41895), (441, 40090), (490, 36081), (570, 31017), (630, 28063), (633, 27930), (665, 26586), (735, 24054), (798, 22155), (855, 20678), (882, 20045), (931, 18990), (1055, 16758), (1197, 14770), (1266, 13965), (1330, 13293), (1470, 12027), (1477, 11970), (1710, 10339), (1862, 9495), (1899, 9310), (1995, 8862), (2110, 8379), (2205, 8018), (2394, 7385), (2793, 6330), (2954, 5985), (3165, 5586), (3798, 4655), (3990, 4431), (4009, 4410)]