31554180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 111121920

約数和(自身を除く): 79567740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 317, 395, 420, 474, 553, 630, 634, 711, 790, 948, 951, 1106, 1185, 1260, 1268, 1422, 1580, 1585, 1659, 1902, 2212, 2219, 2370, 2765, 2844, 2853, 3170, 3318, 3555, 3804, 4438, 4740, 4755, 4977, 5530, 5706, 6340, 6636, 6657, 7110, 8295, 8876, 9510, 9954, 11060, 11095, 11412, 13314, 14220, 14265, 16590, 19020, 19908, 19971, 22190, 24885, 25043, 26628, 28530, 33180, 33285, 39942, 44380, 49770, 50086, 57060, 66570, 75129, 79884, 99540, 99855, 100172, 125215, 133140, 150258, 175301, 199710, 225387, 250430, 300516, 350602, 375645, 399420, 450774, 500860, 525903, 701204, 751290, 876505, 901548, 1051806, 1126935, 1502580, 1577709, 1753010, 2103612, 2253870, 2629515, 3155418, 3506020, 4507740, 5259030, 6310836, 7888545, 10518060, 15777090, 31554180]

約数ペア:

[(1, 31554180), (2, 15777090), (3, 10518060), (4, 7888545), (5, 6310836), (6, 5259030), (7, 4507740), (9, 3506020), (10, 3155418), (12, 2629515), (14, 2253870), (15, 2103612), (18, 1753010), (20, 1577709), (21, 1502580), (28, 1126935), (30, 1051806), (35, 901548), (36, 876505), (42, 751290), (45, 701204), (60, 525903), (63, 500860), (70, 450774), (79, 399420), (84, 375645), (90, 350602), (105, 300516), (126, 250430), (140, 225387), (158, 199710), (180, 175301), (210, 150258), (237, 133140), (252, 125215), (315, 100172), (316, 99855), (317, 99540), (395, 79884), (420, 75129), (474, 66570), (553, 57060), (630, 50086), (634, 49770), (711, 44380), (790, 39942), (948, 33285), (951, 33180), (1106, 28530), (1185, 26628), (1260, 25043), (1268, 24885), (1422, 22190), (1580, 19971), (1585, 19908), (1659, 19020), (1902, 16590), (2212, 14265), (2219, 14220), (2370, 13314), (2765, 11412), (2844, 11095), (2853, 11060), (3170, 9954), (3318, 9510), (3555, 8876), (3804, 8295), (4438, 7110), (4740, 6657), (4755, 6636), (4977, 6340), (5530, 5706)]