256914880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:686

約数の個数: 112

約数和(自身を含む): 656722080

約数和(自身を除く): 399807200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 83, 85, 136, 160, 166, 170, 272, 320, 332, 340, 415, 544, 569, 664, 680, 830, 1088, 1138, 1328, 1360, 1411, 1660, 2276, 2656, 2720, 2822, 2845, 3320, 4552, 5312, 5440, 5644, 5690, 6640, 7055, 9104, 9673, 11288, 11380, 13280, 14110, 18208, 19346, 22576, 22760, 26560, 28220, 36416, 38692, 45152, 45520, 47227, 48365, 56440, 77384, 90304, 91040, 94454, 96730, 112880, 154768, 182080, 188908, 193460, 225760, 236135, 309536, 377816, 386920, 451520, 472270, 619072, 755632, 773840, 802859, 944540, 1511264, 1547680, 1605718, 1889080, 3022528, 3095360, 3211436, 3778160, 4014295, 6422872, 7556320, 8028590, 12845744, 15112640, 16057180, 25691488, 32114360, 51382976, 64228720, 128457440, 256914880]

約数ペア:

[(1, 256914880), (2, 128457440), (4, 64228720), (5, 51382976), (8, 32114360), (10, 25691488), (16, 16057180), (17, 15112640), (20, 12845744), (32, 8028590), (34, 7556320), (40, 6422872), (64, 4014295), (68, 3778160), (80, 3211436), (83, 3095360), (85, 3022528), (136, 1889080), (160, 1605718), (166, 1547680), (170, 1511264), (272, 944540), (320, 802859), (332, 773840), (340, 755632), (415, 619072), (544, 472270), (569, 451520), (664, 386920), (680, 377816), (830, 309536), (1088, 236135), (1138, 225760), (1328, 193460), (1360, 188908), (1411, 182080), (1660, 154768), (2276, 112880), (2656, 96730), (2720, 94454), (2822, 91040), (2845, 90304), (3320, 77384), (4552, 56440), (5312, 48365), (5440, 47227), (5644, 45520), (5690, 45152), (6640, 38692), (7055, 36416), (9104, 28220), (9673, 26560), (11288, 22760), (11380, 22576), (13280, 19346), (14110, 18208)]