18030840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 57784320

約数和(自身を除く): 39753480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 131, 148, 155, 185, 186, 222, 248, 262, 296, 310, 370, 372, 393, 444, 465, 524, 555, 620, 655, 740, 744, 786, 888, 930, 1048, 1110, 1147, 1240, 1310, 1480, 1572, 1860, 1965, 2220, 2294, 2620, 3144, 3441, 3720, 3930, 4061, 4440, 4588, 4847, 5240, 5735, 6882, 7860, 8122, 9176, 9694, 11470, 12183, 13764, 14541, 15720, 16244, 17205, 19388, 20305, 22940, 24235, 24366, 27528, 29082, 32488, 34410, 38776, 40610, 45880, 48470, 48732, 58164, 60915, 68820, 72705, 81220, 96940, 97464, 116328, 121830, 137640, 145410, 150257, 162440, 193880, 243660, 290820, 300514, 450771, 487320, 581640, 601028, 751285, 901542, 1202056, 1502570, 1803084, 2253855, 3005140, 3606168, 4507710, 6010280, 9015420, 18030840]

約数ペア:

[(1, 18030840), (2, 9015420), (3, 6010280), (4, 4507710), (5, 3606168), (6, 3005140), (8, 2253855), (10, 1803084), (12, 1502570), (15, 1202056), (20, 901542), (24, 751285), (30, 601028), (31, 581640), (37, 487320), (40, 450771), (60, 300514), (62, 290820), (74, 243660), (93, 193880), (111, 162440), (120, 150257), (124, 145410), (131, 137640), (148, 121830), (155, 116328), (185, 97464), (186, 96940), (222, 81220), (248, 72705), (262, 68820), (296, 60915), (310, 58164), (370, 48732), (372, 48470), (393, 45880), (444, 40610), (465, 38776), (524, 34410), (555, 32488), (620, 29082), (655, 27528), (740, 24366), (744, 24235), (786, 22940), (888, 20305), (930, 19388), (1048, 17205), (1110, 16244), (1147, 15720), (1240, 14541), (1310, 13764), (1480, 12183), (1572, 11470), (1860, 9694), (1965, 9176), (2220, 8122), (2294, 7860), (2620, 6882), (3144, 5735), (3441, 5240), (3720, 4847), (3930, 4588), (4061, 4440)]