20161978488

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{3767}}^1$

素因数の和:4202

約数の個数: 128

約数和(自身を含む): 56972160000

約数和(自身を除く): 36810181512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 349, 426, 568, 639, 698, 852, 1047, 1278, 1396, 1704, 1917, 2094, 2556, 2792, 3141, 3767, 3834, 4188, 5112, 6282, 7534, 7668, 8376, 9423, 11301, 12564, 15068, 15336, 18846, 22602, 24779, 25128, 30136, 33903, 37692, 45204, 49558, 67806, 74337, 75384, 90408, 99116, 101709, 135612, 148674, 198232, 203418, 223011, 267457, 271224, 297348, 406836, 446022, 534914, 594696, 669033, 802371, 813672, 892044, 1069828, 1314683, 1338066, 1604742, 1784088, 2139656, 2407113, 2629366, 2676132, 3209484, 3944049, 4814226, 5258732, 5352264, 6418968, 7221339, 7888098, 9628452, 10517464, 11832147, 14442678, 15776196, 19256904, 23664294, 28885356, 31552392, 35496441, 47328588, 57770712, 70992882, 93342493, 94657176, 141985764, 186684986, 280027479, 283971528, 373369972, 560054958, 746739944, 840082437, 1120109916, 1680164874, 2240219832, 2520247311, 3360329748, 5040494622, 6720659496, 10080989244, 20161978488]

約数ペア:

[(1, 20161978488), (2, 10080989244), (3, 6720659496), (4, 5040494622), (6, 3360329748), (8, 2520247311), (9, 2240219832), (12, 1680164874), (18, 1120109916), (24, 840082437), (27, 746739944), (36, 560054958), (54, 373369972), (71, 283971528), (72, 280027479), (108, 186684986), (142, 141985764), (213, 94657176), (216, 93342493), (284, 70992882), (349, 57770712), (426, 47328588), (568, 35496441), (639, 31552392), (698, 28885356), (852, 23664294), (1047, 19256904), (1278, 15776196), (1396, 14442678), (1704, 11832147), (1917, 10517464), (2094, 9628452), (2556, 7888098), (2792, 7221339), (3141, 6418968), (3767, 5352264), (3834, 5258732), (4188, 4814226), (5112, 3944049), (6282, 3209484), (7534, 2676132), (7668, 2629366), (8376, 2407113), (9423, 2139656), (11301, 1784088), (12564, 1604742), (15068, 1338066), (15336, 1314683), (18846, 1069828), (22602, 892044), (24779, 813672), (25128, 802371), (30136, 669033), (33903, 594696), (37692, 534914), (45204, 446022), (49558, 406836), (67806, 297348), (74337, 271224), (75384, 267457), (90408, 223011), (99116, 203418), (101709, 198232), (135612, 148674)]