9987180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 33707520

約数和(自身を除く): 23720340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 79, 84, 86, 98, 105, 129, 140, 147, 158, 172, 196, 210, 215, 237, 245, 258, 294, 301, 316, 395, 420, 430, 474, 490, 516, 553, 588, 602, 645, 735, 790, 860, 903, 948, 980, 1106, 1185, 1204, 1290, 1470, 1505, 1580, 1659, 1806, 2107, 2212, 2370, 2580, 2765, 2940, 3010, 3318, 3397, 3612, 3871, 4214, 4515, 4740, 5530, 6020, 6321, 6636, 6794, 7742, 8295, 8428, 9030, 10191, 10535, 11060, 11613, 12642, 13588, 15484, 16590, 16985, 18060, 19355, 20382, 21070, 23226, 23779, 25284, 31605, 33180, 33970, 38710, 40764, 42140, 46452, 47558, 50955, 58065, 63210, 67940, 71337, 77420, 95116, 101910, 116130, 118895, 126420, 142674, 166453, 203820, 232260, 237790, 285348, 332906, 356685, 475580, 499359, 665812, 713370, 832265, 998718, 1426740, 1664530, 1997436, 2496795, 3329060, 4993590, 9987180]

約数ペア:

[(1, 9987180), (2, 4993590), (3, 3329060), (4, 2496795), (5, 1997436), (6, 1664530), (7, 1426740), (10, 998718), (12, 832265), (14, 713370), (15, 665812), (20, 499359), (21, 475580), (28, 356685), (30, 332906), (35, 285348), (42, 237790), (43, 232260), (49, 203820), (60, 166453), (70, 142674), (79, 126420), (84, 118895), (86, 116130), (98, 101910), (105, 95116), (129, 77420), (140, 71337), (147, 67940), (158, 63210), (172, 58065), (196, 50955), (210, 47558), (215, 46452), (237, 42140), (245, 40764), (258, 38710), (294, 33970), (301, 33180), (316, 31605), (395, 25284), (420, 23779), (430, 23226), (474, 21070), (490, 20382), (516, 19355), (553, 18060), (588, 16985), (602, 16590), (645, 15484), (735, 13588), (790, 12642), (860, 11613), (903, 11060), (948, 10535), (980, 10191), (1106, 9030), (1185, 8428), (1204, 8295), (1290, 7742), (1470, 6794), (1505, 6636), (1580, 6321), (1659, 6020), (1806, 5530), (2107, 4740), (2212, 4515), (2370, 4214), (2580, 3871), (2765, 3612), (2940, 3397), (3010, 3318)]