68280870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 200217600

約数和(自身を除く): 131936730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 109, 114, 133, 157, 190, 210, 218, 266, 285, 314, 327, 399, 471, 545, 570, 654, 665, 763, 785, 798, 942, 1090, 1099, 1330, 1526, 1570, 1635, 1995, 2071, 2198, 2289, 2355, 2983, 3270, 3297, 3815, 3990, 4142, 4578, 4710, 5495, 5966, 6213, 6594, 7630, 8949, 10355, 10990, 11445, 12426, 14497, 14915, 16485, 17113, 17898, 20710, 20881, 22890, 28994, 29830, 31065, 32970, 34226, 41762, 43491, 44745, 51339, 62130, 62643, 72485, 85565, 86982, 89490, 102678, 104405, 119791, 125286, 144970, 171130, 208810, 217455, 239582, 256695, 313215, 325147, 359373, 434910, 513390, 598955, 626430, 650294, 718746, 975441, 1197910, 1625735, 1796865, 1950882, 2276029, 3251470, 3593730, 4552058, 4877205, 6828087, 9754410, 11380145, 13656174, 22760290, 34140435, 68280870]

約数ペア:

[(1, 68280870), (2, 34140435), (3, 22760290), (5, 13656174), (6, 11380145), (7, 9754410), (10, 6828087), (14, 4877205), (15, 4552058), (19, 3593730), (21, 3251470), (30, 2276029), (35, 1950882), (38, 1796865), (42, 1625735), (57, 1197910), (70, 975441), (95, 718746), (105, 650294), (109, 626430), (114, 598955), (133, 513390), (157, 434910), (190, 359373), (210, 325147), (218, 313215), (266, 256695), (285, 239582), (314, 217455), (327, 208810), (399, 171130), (471, 144970), (545, 125286), (570, 119791), (654, 104405), (665, 102678), (763, 89490), (785, 86982), (798, 85565), (942, 72485), (1090, 62643), (1099, 62130), (1330, 51339), (1526, 44745), (1570, 43491), (1635, 41762), (1995, 34226), (2071, 32970), (2198, 31065), (2289, 29830), (2355, 28994), (2983, 22890), (3270, 20881), (3297, 20710), (3815, 17898), (3990, 17113), (4142, 16485), (4578, 14915), (4710, 14497), (5495, 12426), (5966, 11445), (6213, 10990), (6594, 10355), (7630, 8949)]