81815760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8741}}^1$

素因数の和:8773

約数の個数: 120

約数和(自身を含む): 295934184

約数和(自身を除く): 214118424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8741, 9360, 17482, 26223, 34964, 43705, 52446, 69928, 78669, 87410, 104892, 113633, 131115, 139856, 157338, 174820, 209784, 227266, 262230, 314676, 340899, 349640, 393345, 419568, 454532, 524460, 568165, 629352, 681798, 699280, 786690, 909064, 1022697, 1048920, 1136330, 1258704, 1363596, 1573380, 1704495, 1818128, 2045394, 2097840, 2272660, 2727192, 3146760, 3408990, 4090788, 4545320, 5113485, 5454384, 6293520, 6817980, 8181576, 9090640, 10226970, 13635960, 16363152, 20453940, 27271920, 40907880, 81815760]

約数ペア:

[(1, 81815760), (2, 40907880), (3, 27271920), (4, 20453940), (5, 16363152), (6, 13635960), (8, 10226970), (9, 9090640), (10, 8181576), (12, 6817980), (13, 6293520), (15, 5454384), (16, 5113485), (18, 4545320), (20, 4090788), (24, 3408990), (26, 3146760), (30, 2727192), (36, 2272660), (39, 2097840), (40, 2045394), (45, 1818128), (48, 1704495), (52, 1573380), (60, 1363596), (65, 1258704), (72, 1136330), (78, 1048920), (80, 1022697), (90, 909064), (104, 786690), (117, 699280), (120, 681798), (130, 629352), (144, 568165), (156, 524460), (180, 454532), (195, 419568), (208, 393345), (234, 349640), (240, 340899), (260, 314676), (312, 262230), (360, 227266), (390, 209784), (468, 174820), (520, 157338), (585, 139856), (624, 131115), (720, 113633), (780, 104892), (936, 87410), (1040, 78669), (1170, 69928), (1560, 52446), (1872, 43705), (2340, 34964), (3120, 26223), (4680, 17482), (8741, 9360)]