220455756

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 608864256

約数和(自身を除く): 388408500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 47, 54, 62, 81, 93, 94, 108, 124, 141, 162, 186, 188, 279, 282, 324, 372, 423, 467, 558, 564, 837, 846, 934, 1116, 1269, 1401, 1457, 1674, 1692, 1868, 2511, 2538, 2802, 2914, 3348, 3807, 4203, 4371, 5022, 5076, 5604, 5828, 7614, 8406, 8742, 10044, 12609, 13113, 14477, 15228, 16812, 17484, 21949, 25218, 26226, 28954, 37827, 39339, 43431, 43898, 50436, 52452, 57908, 65847, 75654, 78678, 86862, 87796, 118017, 130293, 131694, 151308, 157356, 173724, 197541, 236034, 260586, 263388, 390879, 395082, 472068, 521172, 592623, 680419, 781758, 790164, 1172637, 1185246, 1360838, 1563516, 1777869, 2041257, 2345274, 2370492, 2721676, 3555738, 4082514, 4690548, 6123771, 7111476, 8165028, 12247542, 18371313, 24495084, 36742626, 55113939, 73485252, 110227878, 220455756]

約数ペア:

[(1, 220455756), (2, 110227878), (3, 73485252), (4, 55113939), (6, 36742626), (9, 24495084), (12, 18371313), (18, 12247542), (27, 8165028), (31, 7111476), (36, 6123771), (47, 4690548), (54, 4082514), (62, 3555738), (81, 2721676), (93, 2370492), (94, 2345274), (108, 2041257), (124, 1777869), (141, 1563516), (162, 1360838), (186, 1185246), (188, 1172637), (279, 790164), (282, 781758), (324, 680419), (372, 592623), (423, 521172), (467, 472068), (558, 395082), (564, 390879), (837, 263388), (846, 260586), (934, 236034), (1116, 197541), (1269, 173724), (1401, 157356), (1457, 151308), (1674, 131694), (1692, 130293), (1868, 118017), (2511, 87796), (2538, 86862), (2802, 78678), (2914, 75654), (3348, 65847), (3807, 57908), (4203, 52452), (4371, 50436), (5022, 43898), (5076, 43431), (5604, 39339), (5828, 37827), (7614, 28954), (8406, 26226), (8742, 25218), (10044, 21949), (12609, 17484), (13113, 16812), (14477, 15228)]