15685740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 55560960

約数和(自身を除く): 39875220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 211, 236, 252, 295, 315, 354, 413, 420, 422, 531, 590, 630, 633, 708, 826, 844, 885, 1055, 1062, 1180, 1239, 1260, 1266, 1477, 1652, 1770, 1899, 2065, 2110, 2124, 2478, 2532, 2655, 2954, 3165, 3540, 3717, 3798, 4130, 4220, 4431, 4956, 5310, 5908, 6195, 6330, 7385, 7434, 7596, 8260, 8862, 9495, 10620, 12390, 12449, 12660, 13293, 14770, 14868, 17724, 18585, 18990, 22155, 24780, 24898, 26586, 29540, 37170, 37347, 37980, 44310, 49796, 53172, 62245, 66465, 74340, 74694, 87143, 88620, 112041, 124490, 132930, 149388, 174286, 186735, 224082, 248980, 261429, 265860, 348572, 373470, 435715, 448164, 522858, 560205, 746940, 784287, 871430, 1045716, 1120410, 1307145, 1568574, 1742860, 2240820, 2614290, 3137148, 3921435, 5228580, 7842870, 15685740]

約数ペア:

[(1, 15685740), (2, 7842870), (3, 5228580), (4, 3921435), (5, 3137148), (6, 2614290), (7, 2240820), (9, 1742860), (10, 1568574), (12, 1307145), (14, 1120410), (15, 1045716), (18, 871430), (20, 784287), (21, 746940), (28, 560205), (30, 522858), (35, 448164), (36, 435715), (42, 373470), (45, 348572), (59, 265860), (60, 261429), (63, 248980), (70, 224082), (84, 186735), (90, 174286), (105, 149388), (118, 132930), (126, 124490), (140, 112041), (177, 88620), (180, 87143), (210, 74694), (211, 74340), (236, 66465), (252, 62245), (295, 53172), (315, 49796), (354, 44310), (413, 37980), (420, 37347), (422, 37170), (531, 29540), (590, 26586), (630, 24898), (633, 24780), (708, 22155), (826, 18990), (844, 18585), (885, 17724), (1055, 14868), (1062, 14770), (1180, 13293), (1239, 12660), (1260, 12449), (1266, 12390), (1477, 10620), (1652, 9495), (1770, 8862), (1899, 8260), (2065, 7596), (2110, 7434), (2124, 7385), (2478, 6330), (2532, 6195), (2655, 5908), (2954, 5310), (3165, 4956), (3540, 4431), (3717, 4220), (3798, 4130)]