255301840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 80

約数和(自身を含む): 626745600

約数和(自身を除く): 371443760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1424, 1559, 1780, 1840, 2047, 3118, 3560, 4094, 6236, 7120, 7795, 8188, 10235, 12472, 15590, 16376, 20470, 24944, 31180, 32752, 35857, 40940, 62360, 71714, 81880, 124720, 138751, 143428, 163760, 179285, 277502, 286856, 358570, 555004, 573712, 693755, 717140, 1110008, 1387510, 1434280, 2220016, 2775020, 2868560, 3191273, 5550040, 6382546, 11100080, 12765092, 15956365, 25530184, 31912730, 51060368, 63825460, 127650920, 255301840]

約数ペア:

[(1, 255301840), (2, 127650920), (4, 63825460), (5, 51060368), (8, 31912730), (10, 25530184), (16, 15956365), (20, 12765092), (23, 11100080), (40, 6382546), (46, 5550040), (80, 3191273), (89, 2868560), (92, 2775020), (115, 2220016), (178, 1434280), (184, 1387510), (230, 1110008), (356, 717140), (368, 693755), (445, 573712), (460, 555004), (712, 358570), (890, 286856), (920, 277502), (1424, 179285), (1559, 163760), (1780, 143428), (1840, 138751), (2047, 124720), (3118, 81880), (3560, 71714), (4094, 62360), (6236, 40940), (7120, 35857), (7795, 32752), (8188, 31180), (10235, 24944), (12472, 20470), (15590, 16376)]