64435840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:802

約数の個数: 128

約数和(自身を含む): 185558400

約数和(自身を除く): 121122560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 757, 760, 896, 1064, 1120, 1216, 1330, 1514, 1520, 2128, 2240, 2432, 2660, 3028, 3040, 3785, 4256, 4480, 5299, 5320, 6056, 6080, 7570, 8512, 10598, 10640, 12112, 12160, 14383, 15140, 17024, 21196, 21280, 24224, 26495, 28766, 30280, 42392, 42560, 48448, 52990, 57532, 60560, 71915, 84784, 85120, 96896, 100681, 105980, 115064, 121120, 143830, 169568, 201362, 211960, 230128, 242240, 287660, 339136, 402724, 423920, 460256, 484480, 503405, 575320, 678272, 805448, 847840, 920512, 1006810, 1150640, 1610896, 1695680, 1841024, 2013620, 2301280, 3221792, 3391360, 4027240, 4602560, 6443584, 8054480, 9205120, 12887168, 16108960, 32217920, 64435840]

約数ペア:

[(1, 64435840), (2, 32217920), (4, 16108960), (5, 12887168), (7, 9205120), (8, 8054480), (10, 6443584), (14, 4602560), (16, 4027240), (19, 3391360), (20, 3221792), (28, 2301280), (32, 2013620), (35, 1841024), (38, 1695680), (40, 1610896), (56, 1150640), (64, 1006810), (70, 920512), (76, 847840), (80, 805448), (95, 678272), (112, 575320), (128, 503405), (133, 484480), (140, 460256), (152, 423920), (160, 402724), (190, 339136), (224, 287660), (266, 242240), (280, 230128), (304, 211960), (320, 201362), (380, 169568), (448, 143830), (532, 121120), (560, 115064), (608, 105980), (640, 100681), (665, 96896), (757, 85120), (760, 84784), (896, 71915), (1064, 60560), (1120, 57532), (1216, 52990), (1330, 48448), (1514, 42560), (1520, 42392), (2128, 30280), (2240, 28766), (2432, 26495), (2660, 24224), (3028, 21280), (3040, 21196), (3785, 17024), (4256, 15140), (4480, 14383), (5299, 12160), (5320, 12112), (6056, 10640), (6080, 10598), (7570, 8512)]