78121440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54251}}^1$

素因数の和:54272

約数の個数: 72

約数和(自身を含む): 266594328

約数和(自身を除く): 188472888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54251, 108502, 162753, 217004, 271255, 325506, 434008, 488259, 542510, 651012, 813765, 868016, 976518, 1085020, 1302024, 1627530, 1736032, 1953036, 2170040, 2441295, 2604048, 3255060, 3906072, 4340080, 4882590, 5208096, 6510120, 7812144, 8680160, 9765180, 13020240, 15624288, 19530360, 26040480, 39060720, 78121440]

約数ペア:

[(1, 78121440), (2, 39060720), (3, 26040480), (4, 19530360), (5, 15624288), (6, 13020240), (8, 9765180), (9, 8680160), (10, 7812144), (12, 6510120), (15, 5208096), (16, 4882590), (18, 4340080), (20, 3906072), (24, 3255060), (30, 2604048), (32, 2441295), (36, 2170040), (40, 1953036), (45, 1736032), (48, 1627530), (60, 1302024), (72, 1085020), (80, 976518), (90, 868016), (96, 813765), (120, 651012), (144, 542510), (160, 488259), (180, 434008), (240, 325506), (288, 271255), (360, 217004), (480, 162753), (720, 108502), (1440, 54251)]