12991320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 45273600

約数和(自身を除く): 32282280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 523, 540, 552, 621, 690, 828, 920, 1035, 1046, 1080, 1242, 1380, 1569, 1656, 2070, 2092, 2484, 2615, 2760, 3105, 3138, 4140, 4184, 4707, 4968, 5230, 6210, 6276, 7845, 8280, 9414, 10460, 12029, 12420, 12552, 14121, 15690, 18828, 20920, 23535, 24058, 24840, 28242, 31380, 36087, 37656, 47070, 48116, 56484, 60145, 62760, 70605, 72174, 94140, 96232, 108261, 112968, 120290, 141210, 144348, 180435, 188280, 216522, 240580, 282420, 288696, 324783, 360870, 433044, 481160, 541305, 564840, 649566, 721740, 866088, 1082610, 1299132, 1443480, 1623915, 2165220, 2598264, 3247830, 4330440, 6495660, 12991320]

約数ペア:

[(1, 12991320), (2, 6495660), (3, 4330440), (4, 3247830), (5, 2598264), (6, 2165220), (8, 1623915), (9, 1443480), (10, 1299132), (12, 1082610), (15, 866088), (18, 721740), (20, 649566), (23, 564840), (24, 541305), (27, 481160), (30, 433044), (36, 360870), (40, 324783), (45, 288696), (46, 282420), (54, 240580), (60, 216522), (69, 188280), (72, 180435), (90, 144348), (92, 141210), (108, 120290), (115, 112968), (120, 108261), (135, 96232), (138, 94140), (180, 72174), (184, 70605), (207, 62760), (216, 60145), (230, 56484), (270, 48116), (276, 47070), (345, 37656), (360, 36087), (414, 31380), (460, 28242), (523, 24840), (540, 24058), (552, 23535), (621, 20920), (690, 18828), (828, 15690), (920, 14121), (1035, 12552), (1046, 12420), (1080, 12029), (1242, 10460), (1380, 9414), (1569, 8280), (1656, 7845), (2070, 6276), (2092, 6210), (2484, 5230), (2615, 4968), (2760, 4707), (3105, 4184), (3138, 4140)]