144995680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 378356832

約数和(自身を除く): 233361152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 41, 46, 62, 80, 82, 92, 115, 124, 155, 160, 164, 184, 205, 230, 248, 310, 328, 368, 410, 460, 496, 620, 656, 713, 736, 820, 920, 943, 961, 992, 1240, 1271, 1312, 1426, 1640, 1840, 1886, 1922, 2480, 2542, 2852, 3280, 3565, 3680, 3772, 3844, 4715, 4805, 4960, 5084, 5704, 6355, 6560, 7130, 7544, 7688, 9430, 9610, 10168, 11408, 12710, 14260, 15088, 15376, 18860, 19220, 20336, 22103, 22816, 25420, 28520, 29233, 30176, 30752, 37720, 38440, 39401, 40672, 44206, 50840, 57040, 58466, 75440, 76880, 78802, 88412, 101680, 110515, 114080, 116932, 146165, 150880, 153760, 157604, 176824, 197005, 203360, 221030, 233864, 292330, 315208, 353648, 394010, 442060, 467728, 584660, 630416, 707296, 788020, 884120, 906223, 935456, 1169320, 1260832, 1576040, 1768240, 1812446, 2338640, 3152080, 3536480, 3624892, 4531115, 4677280, 6304160, 7249784, 9062230, 14499568, 18124460, 28999136, 36248920, 72497840, 144995680]

約数ペア:

[(1, 144995680), (2, 72497840), (4, 36248920), (5, 28999136), (8, 18124460), (10, 14499568), (16, 9062230), (20, 7249784), (23, 6304160), (31, 4677280), (32, 4531115), (40, 3624892), (41, 3536480), (46, 3152080), (62, 2338640), (80, 1812446), (82, 1768240), (92, 1576040), (115, 1260832), (124, 1169320), (155, 935456), (160, 906223), (164, 884120), (184, 788020), (205, 707296), (230, 630416), (248, 584660), (310, 467728), (328, 442060), (368, 394010), (410, 353648), (460, 315208), (496, 292330), (620, 233864), (656, 221030), (713, 203360), (736, 197005), (820, 176824), (920, 157604), (943, 153760), (961, 150880), (992, 146165), (1240, 116932), (1271, 114080), (1312, 110515), (1426, 101680), (1640, 88412), (1840, 78802), (1886, 76880), (1922, 75440), (2480, 58466), (2542, 57040), (2852, 50840), (3280, 44206), (3565, 40672), (3680, 39401), (3772, 38440), (3844, 37720), (4715, 30752), (4805, 30176), (4960, 29233), (5084, 28520), (5704, 25420), (6355, 22816), (6560, 22103), (7130, 20336), (7544, 19220), (7688, 18860), (9430, 15376), (9610, 15088), (10168, 14260), (11408, 12710)]