18040440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 60134400

約数和(自身を除く): 42093960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 173, 220, 237, 264, 316, 330, 346, 395, 440, 474, 519, 632, 660, 692, 790, 865, 869, 948, 1038, 1185, 1320, 1384, 1580, 1730, 1738, 1896, 1903, 2076, 2370, 2595, 2607, 3160, 3460, 3476, 3806, 4152, 4345, 4740, 5190, 5214, 5709, 6920, 6952, 7612, 8690, 9480, 9515, 10380, 10428, 11418, 13035, 13667, 15224, 17380, 19030, 20760, 20856, 22836, 26070, 27334, 28545, 34760, 38060, 41001, 45672, 52140, 54668, 57090, 68335, 76120, 82002, 104280, 109336, 114180, 136670, 150337, 164004, 205005, 228360, 273340, 300674, 328008, 410010, 451011, 546680, 601348, 751685, 820020, 902022, 1202696, 1503370, 1640040, 1804044, 2255055, 3006740, 3608088, 4510110, 6013480, 9020220, 18040440]

約数ペア:

[(1, 18040440), (2, 9020220), (3, 6013480), (4, 4510110), (5, 3608088), (6, 3006740), (8, 2255055), (10, 1804044), (11, 1640040), (12, 1503370), (15, 1202696), (20, 902022), (22, 820020), (24, 751685), (30, 601348), (33, 546680), (40, 451011), (44, 410010), (55, 328008), (60, 300674), (66, 273340), (79, 228360), (88, 205005), (110, 164004), (120, 150337), (132, 136670), (158, 114180), (165, 109336), (173, 104280), (220, 82002), (237, 76120), (264, 68335), (316, 57090), (330, 54668), (346, 52140), (395, 45672), (440, 41001), (474, 38060), (519, 34760), (632, 28545), (660, 27334), (692, 26070), (790, 22836), (865, 20856), (869, 20760), (948, 19030), (1038, 17380), (1185, 15224), (1320, 13667), (1384, 13035), (1580, 11418), (1730, 10428), (1738, 10380), (1896, 9515), (1903, 9480), (2076, 8690), (2370, 7612), (2595, 6952), (2607, 6920), (3160, 5709), (3460, 5214), (3476, 5190), (3806, 4740), (4152, 4345)]