72497840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 186175584

約数和(自身を除く): 113677744

約数列:

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

約数ペア:

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