12355920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^2$

素因数の和:281

約数の個数: 90

約数和(自身を含む): 41814474

約数和(自身を除く): 29458554

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 360, 393, 524, 655, 720, 786, 1048, 1179, 1310, 1572, 1965, 2096, 2358, 2620, 3144, 3930, 4716, 5240, 5895, 6288, 7860, 9432, 10480, 11790, 15720, 17161, 18864, 23580, 31440, 34322, 47160, 51483, 68644, 85805, 94320, 102966, 137288, 154449, 171610, 205932, 257415, 274576, 308898, 343220, 411864, 514830, 617796, 686440, 772245, 823728, 1029660, 1235592, 1372880, 1544490, 2059320, 2471184, 3088980, 4118640, 6177960, 12355920]

約数ペア:

[(1, 12355920), (2, 6177960), (3, 4118640), (4, 3088980), (5, 2471184), (6, 2059320), (8, 1544490), (9, 1372880), (10, 1235592), (12, 1029660), (15, 823728), (16, 772245), (18, 686440), (20, 617796), (24, 514830), (30, 411864), (36, 343220), (40, 308898), (45, 274576), (48, 257415), (60, 205932), (72, 171610), (80, 154449), (90, 137288), (120, 102966), (131, 94320), (144, 85805), (180, 68644), (240, 51483), (262, 47160), (360, 34322), (393, 31440), (524, 23580), (655, 18864), (720, 17161), (786, 15720), (1048, 11790), (1179, 10480), (1310, 9432), (1572, 7860), (1965, 6288), (2096, 5895), (2358, 5240), (2620, 4716), (3144, 3930)]