78105840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{647}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 242984448

約数和(自身を除く): 164878608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 503, 647, 1006, 1294, 1509, 1941, 2012, 2515, 2588, 3018, 3235, 3882, 4024, 5030, 5176, 6036, 6470, 7545, 7764, 8048, 9705, 10060, 10352, 12072, 12940, 15090, 15528, 19410, 20120, 24144, 25880, 30180, 31056, 38820, 40240, 51760, 60360, 77640, 120720, 155280, 325441, 650882, 976323, 1301764, 1627205, 1952646, 2603528, 3254410, 3905292, 4881615, 5207056, 6508820, 7810584, 9763230, 13017640, 15621168, 19526460, 26035280, 39052920, 78105840]

約数ペア:

[(1, 78105840), (2, 39052920), (3, 26035280), (4, 19526460), (5, 15621168), (6, 13017640), (8, 9763230), (10, 7810584), (12, 6508820), (15, 5207056), (16, 4881615), (20, 3905292), (24, 3254410), (30, 2603528), (40, 1952646), (48, 1627205), (60, 1301764), (80, 976323), (120, 650882), (240, 325441), (503, 155280), (647, 120720), (1006, 77640), (1294, 60360), (1509, 51760), (1941, 40240), (2012, 38820), (2515, 31056), (2588, 30180), (3018, 25880), (3235, 24144), (3882, 20120), (4024, 19410), (5030, 15528), (5176, 15090), (6036, 12940), (6470, 12072), (7545, 10352), (7764, 10060), (8048, 9705)]