81440436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1741

約数の個数: 96

約数和(自身を含む): 241532928

約数和(自身を除く): 160092492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 53, 66, 77, 84, 106, 132, 154, 159, 212, 231, 308, 318, 371, 462, 583, 636, 742, 924, 1113, 1166, 1484, 1663, 1749, 2226, 2332, 3326, 3498, 4081, 4452, 4989, 6652, 6996, 8162, 9978, 11641, 12243, 16324, 18293, 19956, 23282, 24486, 34923, 36586, 46564, 48972, 54879, 69846, 73172, 88139, 109758, 128051, 139692, 176278, 219516, 256102, 264417, 352556, 384153, 512204, 528834, 616973, 768306, 969529, 1057668, 1233946, 1536612, 1850919, 1939058, 2467892, 2908587, 3701838, 3878116, 5817174, 6786703, 7403676, 11634348, 13573406, 20360109, 27146812, 40720218, 81440436]

約数ペア:

[(1, 81440436), (2, 40720218), (3, 27146812), (4, 20360109), (6, 13573406), (7, 11634348), (11, 7403676), (12, 6786703), (14, 5817174), (21, 3878116), (22, 3701838), (28, 2908587), (33, 2467892), (42, 1939058), (44, 1850919), (53, 1536612), (66, 1233946), (77, 1057668), (84, 969529), (106, 768306), (132, 616973), (154, 528834), (159, 512204), (212, 384153), (231, 352556), (308, 264417), (318, 256102), (371, 219516), (462, 176278), (583, 139692), (636, 128051), (742, 109758), (924, 88139), (1113, 73172), (1166, 69846), (1484, 54879), (1663, 48972), (1749, 46564), (2226, 36586), (2332, 34923), (3326, 24486), (3498, 23282), (4081, 19956), (4452, 18293), (4989, 16324), (6652, 12243), (6996, 11641), (8162, 9978)]