4255920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 14972256

約数和(自身を除く): 10716336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 257, 276, 345, 360, 368, 414, 460, 514, 552, 690, 720, 771, 828, 920, 1028, 1035, 1104, 1285, 1380, 1542, 1656, 1840, 2056, 2070, 2313, 2570, 2760, 3084, 3312, 3855, 4112, 4140, 4626, 5140, 5520, 5911, 6168, 7710, 8280, 9252, 10280, 11565, 11822, 12336, 15420, 16560, 17733, 18504, 20560, 23130, 23644, 29555, 30840, 35466, 37008, 46260, 47288, 53199, 59110, 61680, 70932, 88665, 92520, 94576, 106398, 118220, 141864, 177330, 185040, 212796, 236440, 265995, 283728, 354660, 425592, 472880, 531990, 709320, 851184, 1063980, 1418640, 2127960, 4255920]

約数ペア:

[(1, 4255920), (2, 2127960), (3, 1418640), (4, 1063980), (5, 851184), (6, 709320), (8, 531990), (9, 472880), (10, 425592), (12, 354660), (15, 283728), (16, 265995), (18, 236440), (20, 212796), (23, 185040), (24, 177330), (30, 141864), (36, 118220), (40, 106398), (45, 94576), (46, 92520), (48, 88665), (60, 70932), (69, 61680), (72, 59110), (80, 53199), (90, 47288), (92, 46260), (115, 37008), (120, 35466), (138, 30840), (144, 29555), (180, 23644), (184, 23130), (207, 20560), (230, 18504), (240, 17733), (257, 16560), (276, 15420), (345, 12336), (360, 11822), (368, 11565), (414, 10280), (460, 9252), (514, 8280), (552, 7710), (690, 6168), (720, 5911), (771, 5520), (828, 5140), (920, 4626), (1028, 4140), (1035, 4112), (1104, 3855), (1285, 3312), (1380, 3084), (1542, 2760), (1656, 2570), (1840, 2313), (2056, 2070)]