18699240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 65007360

約数和(自身を除く): 46308120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 197, 210, 226, 280, 339, 394, 420, 452, 565, 591, 678, 788, 791, 840, 904, 985, 1130, 1182, 1356, 1379, 1576, 1582, 1695, 1970, 2260, 2364, 2373, 2712, 2758, 2955, 3164, 3390, 3940, 3955, 4137, 4520, 4728, 4746, 5516, 5910, 6328, 6780, 6895, 7880, 7910, 8274, 9492, 11032, 11820, 11865, 13560, 13790, 15820, 16548, 18984, 20685, 22261, 23640, 23730, 27580, 31640, 33096, 41370, 44522, 47460, 55160, 66783, 82740, 89044, 94920, 111305, 133566, 155827, 165480, 178088, 222610, 267132, 311654, 333915, 445220, 467481, 534264, 623308, 667830, 779135, 890440, 934962, 1246616, 1335660, 1558270, 1869924, 2337405, 2671320, 3116540, 3739848, 4674810, 6233080, 9349620, 18699240]

約数ペア:

[(1, 18699240), (2, 9349620), (3, 6233080), (4, 4674810), (5, 3739848), (6, 3116540), (7, 2671320), (8, 2337405), (10, 1869924), (12, 1558270), (14, 1335660), (15, 1246616), (20, 934962), (21, 890440), (24, 779135), (28, 667830), (30, 623308), (35, 534264), (40, 467481), (42, 445220), (56, 333915), (60, 311654), (70, 267132), (84, 222610), (105, 178088), (113, 165480), (120, 155827), (140, 133566), (168, 111305), (197, 94920), (210, 89044), (226, 82740), (280, 66783), (339, 55160), (394, 47460), (420, 44522), (452, 41370), (565, 33096), (591, 31640), (678, 27580), (788, 23730), (791, 23640), (840, 22261), (904, 20685), (985, 18984), (1130, 16548), (1182, 15820), (1356, 13790), (1379, 13560), (1576, 11865), (1582, 11820), (1695, 11032), (1970, 9492), (2260, 8274), (2364, 7910), (2373, 7880), (2712, 6895), (2758, 6780), (2955, 6328), (3164, 5910), (3390, 5516), (3940, 4746), (3955, 4728), (4137, 4520)]