90705720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1405

約数の個数: 128

約数和(自身を含む): 314979840

約数和(自身を除く): 224274120

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, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1301, 1660, 1743, 1992, 2324, 2490, 2602, 2905, 3320, 3486, 3903, 4648, 4980, 5204, 5810, 6505, 6972, 7806, 8715, 9107, 9960, 10408, 11620, 13010, 13944, 15612, 17430, 18214, 19515, 23240, 26020, 27321, 31224, 34860, 36428, 39030, 45535, 52040, 54642, 69720, 72856, 78060, 91070, 107983, 109284, 136605, 156120, 182140, 215966, 218568, 273210, 323949, 364280, 431932, 539915, 546420, 647898, 755881, 863864, 1079830, 1092840, 1295796, 1511762, 1619745, 2159660, 2267643, 2591592, 3023524, 3239490, 3779405, 4319320, 4535286, 6047048, 6478980, 7558810, 9070572, 11338215, 12957960, 15117620, 18141144, 22676430, 30235240, 45352860, 90705720]

約数ペア:

[(1, 90705720), (2, 45352860), (3, 30235240), (4, 22676430), (5, 18141144), (6, 15117620), (7, 12957960), (8, 11338215), (10, 9070572), (12, 7558810), (14, 6478980), (15, 6047048), (20, 4535286), (21, 4319320), (24, 3779405), (28, 3239490), (30, 3023524), (35, 2591592), (40, 2267643), (42, 2159660), (56, 1619745), (60, 1511762), (70, 1295796), (83, 1092840), (84, 1079830), (105, 863864), (120, 755881), (140, 647898), (166, 546420), (168, 539915), (210, 431932), (249, 364280), (280, 323949), (332, 273210), (415, 218568), (420, 215966), (498, 182140), (581, 156120), (664, 136605), (830, 109284), (840, 107983), (996, 91070), (1162, 78060), (1245, 72856), (1301, 69720), (1660, 54642), (1743, 52040), (1992, 45535), (2324, 39030), (2490, 36428), (2602, 34860), (2905, 31224), (3320, 27321), (3486, 26020), (3903, 23240), (4648, 19515), (4980, 18214), (5204, 17430), (5810, 15612), (6505, 13944), (6972, 13010), (7806, 11620), (8715, 10408), (9107, 9960)]