179297720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 485222400

約数和(自身を除く): 305924680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 140, 142, 145, 203, 232, 280, 284, 290, 311, 355, 406, 497, 568, 580, 622, 710, 812, 994, 1015, 1160, 1244, 1420, 1555, 1624, 1988, 2030, 2059, 2177, 2485, 2488, 2840, 3110, 3976, 4060, 4118, 4354, 4970, 6220, 8120, 8236, 8708, 9019, 9940, 10295, 10885, 12440, 14413, 16472, 17416, 18038, 19880, 20590, 21770, 22081, 28826, 36076, 41180, 43540, 44162, 45095, 57652, 63133, 72065, 72152, 82360, 87080, 88324, 90190, 110405, 115304, 126266, 144130, 154567, 176648, 180380, 220810, 252532, 288260, 309134, 315665, 360760, 441620, 505064, 576520, 618268, 631330, 640349, 772835, 883240, 1236536, 1262660, 1280698, 1545670, 2525320, 2561396, 3091340, 3201745, 4482443, 5122792, 6182680, 6403490, 8964886, 12806980, 17929772, 22412215, 25613960, 35859544, 44824430, 89648860, 179297720]

約数ペア:

[(1, 179297720), (2, 89648860), (4, 44824430), (5, 35859544), (7, 25613960), (8, 22412215), (10, 17929772), (14, 12806980), (20, 8964886), (28, 6403490), (29, 6182680), (35, 5122792), (40, 4482443), (56, 3201745), (58, 3091340), (70, 2561396), (71, 2525320), (116, 1545670), (140, 1280698), (142, 1262660), (145, 1236536), (203, 883240), (232, 772835), (280, 640349), (284, 631330), (290, 618268), (311, 576520), (355, 505064), (406, 441620), (497, 360760), (568, 315665), (580, 309134), (622, 288260), (710, 252532), (812, 220810), (994, 180380), (1015, 176648), (1160, 154567), (1244, 144130), (1420, 126266), (1555, 115304), (1624, 110405), (1988, 90190), (2030, 88324), (2059, 87080), (2177, 82360), (2485, 72152), (2488, 72065), (2840, 63133), (3110, 57652), (3976, 45095), (4060, 44162), (4118, 43540), (4354, 41180), (4970, 36076), (6220, 28826), (8120, 22081), (8236, 21770), (8708, 20590), (9019, 19880), (9940, 18038), (10295, 17416), (10885, 16472), (12440, 14413)]