231567180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 720516384

約数和(自身を除く): 488949204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 169, 195, 205, 246, 260, 338, 390, 410, 492, 507, 533, 557, 615, 676, 780, 820, 845, 1014, 1066, 1114, 1230, 1599, 1671, 1690, 2028, 2132, 2228, 2460, 2535, 2665, 2785, 3198, 3342, 3380, 5070, 5330, 5570, 6396, 6684, 6929, 7241, 7995, 8355, 10140, 10660, 11140, 13858, 14482, 15990, 16710, 20787, 21723, 22837, 27716, 28964, 31980, 33420, 34645, 36205, 41574, 43446, 45674, 68511, 69290, 72410, 83148, 86892, 91348, 94133, 103935, 108615, 114185, 137022, 138580, 144820, 188266, 207870, 217230, 228370, 274044, 282399, 296881, 342555, 376532, 415740, 434460, 456740, 470665, 564798, 593762, 685110, 890643, 941330, 1129596, 1187524, 1370220, 1411995, 1484405, 1781286, 1882660, 2823990, 2968810, 3562572, 3859453, 4453215, 5647980, 5937620, 7718906, 8906430, 11578359, 15437812, 17812860, 19297265, 23156718, 38594530, 46313436, 57891795, 77189060, 115783590, 231567180]

約数ペア:

[(1, 231567180), (2, 115783590), (3, 77189060), (4, 57891795), (5, 46313436), (6, 38594530), (10, 23156718), (12, 19297265), (13, 17812860), (15, 15437812), (20, 11578359), (26, 8906430), (30, 7718906), (39, 5937620), (41, 5647980), (52, 4453215), (60, 3859453), (65, 3562572), (78, 2968810), (82, 2823990), (123, 1882660), (130, 1781286), (156, 1484405), (164, 1411995), (169, 1370220), (195, 1187524), (205, 1129596), (246, 941330), (260, 890643), (338, 685110), (390, 593762), (410, 564798), (492, 470665), (507, 456740), (533, 434460), (557, 415740), (615, 376532), (676, 342555), (780, 296881), (820, 282399), (845, 274044), (1014, 228370), (1066, 217230), (1114, 207870), (1230, 188266), (1599, 144820), (1671, 138580), (1690, 137022), (2028, 114185), (2132, 108615), (2228, 103935), (2460, 94133), (2535, 91348), (2665, 86892), (2785, 83148), (3198, 72410), (3342, 69290), (3380, 68511), (5070, 45674), (5330, 43446), (5570, 41574), (6396, 36205), (6684, 34645), (6929, 33420), (7241, 31980), (7995, 28964), (8355, 27716), (10140, 22837), (10660, 21723), (11140, 20787), (13858, 16710), (14482, 15990)]