165212740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1609

約数の個数: 96

約数和(自身を含む): 438939648

約数和(自身を除く): 273726908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1511, 1540, 1562, 1988, 2485, 3022, 3124, 3905, 4970, 5467, 6044, 7555, 7810, 9940, 10577, 10934, 15110, 15620, 16621, 21154, 21868, 27335, 30220, 33242, 42308, 52885, 54670, 66484, 83105, 105770, 107281, 109340, 116347, 166210, 211540, 214562, 232694, 332420, 429124, 465388, 536405, 581735, 750967, 1072810, 1163470, 1180091, 1501934, 2145620, 2326940, 2360182, 3003868, 3754835, 4720364, 5900455, 7509670, 8260637, 11800910, 15019340, 16521274, 23601820, 33042548, 41303185, 82606370, 165212740]

約数ペア:

[(1, 165212740), (2, 82606370), (4, 41303185), (5, 33042548), (7, 23601820), (10, 16521274), (11, 15019340), (14, 11800910), (20, 8260637), (22, 7509670), (28, 5900455), (35, 4720364), (44, 3754835), (55, 3003868), (70, 2360182), (71, 2326940), (77, 2145620), (110, 1501934), (140, 1180091), (142, 1163470), (154, 1072810), (220, 750967), (284, 581735), (308, 536405), (355, 465388), (385, 429124), (497, 332420), (710, 232694), (770, 214562), (781, 211540), (994, 166210), (1420, 116347), (1511, 109340), (1540, 107281), (1562, 105770), (1988, 83105), (2485, 66484), (3022, 54670), (3124, 52885), (3905, 42308), (4970, 33242), (5467, 30220), (6044, 27335), (7555, 21868), (7810, 21154), (9940, 16621), (10577, 15620), (10934, 15110)]