64851990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 182857824

約数和(自身を除く): 118005834

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 157, 210, 245, 281, 294, 314, 471, 490, 562, 735, 785, 843, 942, 1099, 1405, 1470, 1570, 1686, 1967, 2198, 2355, 2810, 3297, 3934, 4215, 4710, 5495, 5901, 6594, 7693, 8430, 9835, 10990, 11802, 13769, 15386, 16485, 19670, 23079, 27538, 29505, 32970, 38465, 41307, 44117, 46158, 59010, 68845, 76930, 82614, 88234, 115395, 132351, 137690, 206535, 220585, 230790, 264702, 308819, 413070, 441170, 617638, 661755, 926457, 1323510, 1544095, 1852914, 2161733, 3088190, 4323466, 4632285, 6485199, 9264570, 10808665, 12970398, 21617330, 32425995, 64851990]

約数ペア:

[(1, 64851990), (2, 32425995), (3, 21617330), (5, 12970398), (6, 10808665), (7, 9264570), (10, 6485199), (14, 4632285), (15, 4323466), (21, 3088190), (30, 2161733), (35, 1852914), (42, 1544095), (49, 1323510), (70, 926457), (98, 661755), (105, 617638), (147, 441170), (157, 413070), (210, 308819), (245, 264702), (281, 230790), (294, 220585), (314, 206535), (471, 137690), (490, 132351), (562, 115395), (735, 88234), (785, 82614), (843, 76930), (942, 68845), (1099, 59010), (1405, 46158), (1470, 44117), (1570, 41307), (1686, 38465), (1967, 32970), (2198, 29505), (2355, 27538), (2810, 23079), (3297, 19670), (3934, 16485), (4215, 15386), (4710, 13769), (5495, 11802), (5901, 10990), (6594, 9835), (7693, 8430)]