19974360

素因数分解:

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

素因数の和:150

約数の個数: 192

約数和(自身を含む): 72230400

約数和(自身を除く): 52256040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 79, 84, 86, 98, 105, 120, 129, 140, 147, 158, 168, 172, 196, 210, 215, 237, 245, 258, 280, 294, 301, 316, 344, 392, 395, 420, 430, 474, 490, 516, 553, 588, 602, 632, 645, 735, 790, 840, 860, 903, 948, 980, 1032, 1106, 1176, 1185, 1204, 1290, 1470, 1505, 1580, 1659, 1720, 1806, 1896, 1960, 2107, 2212, 2370, 2408, 2580, 2765, 2940, 3010, 3160, 3318, 3397, 3612, 3871, 4214, 4424, 4515, 4740, 5160, 5530, 5880, 6020, 6321, 6636, 6794, 7224, 7742, 8295, 8428, 9030, 9480, 10191, 10535, 11060, 11613, 12040, 12642, 13272, 13588, 15484, 16590, 16856, 16985, 18060, 19355, 20382, 21070, 22120, 23226, 23779, 25284, 27176, 30968, 31605, 33180, 33970, 36120, 38710, 40764, 42140, 46452, 47558, 50568, 50955, 58065, 63210, 66360, 67940, 71337, 77420, 81528, 84280, 92904, 95116, 101910, 116130, 118895, 126420, 135880, 142674, 154840, 166453, 190232, 203820, 232260, 237790, 252840, 285348, 332906, 356685, 407640, 464520, 475580, 499359, 570696, 665812, 713370, 832265, 951160, 998718, 1331624, 1426740, 1664530, 1997436, 2496795, 2853480, 3329060, 3994872, 4993590, 6658120, 9987180, 19974360]

約数ペア:

[(1, 19974360), (2, 9987180), (3, 6658120), (4, 4993590), (5, 3994872), (6, 3329060), (7, 2853480), (8, 2496795), (10, 1997436), (12, 1664530), (14, 1426740), (15, 1331624), (20, 998718), (21, 951160), (24, 832265), (28, 713370), (30, 665812), (35, 570696), (40, 499359), (42, 475580), (43, 464520), (49, 407640), (56, 356685), (60, 332906), (70, 285348), (79, 252840), (84, 237790), (86, 232260), (98, 203820), (105, 190232), (120, 166453), (129, 154840), (140, 142674), (147, 135880), (158, 126420), (168, 118895), (172, 116130), (196, 101910), (210, 95116), (215, 92904), (237, 84280), (245, 81528), (258, 77420), (280, 71337), (294, 67940), (301, 66360), (316, 63210), (344, 58065), (392, 50955), (395, 50568), (420, 47558), (430, 46452), (474, 42140), (490, 40764), (516, 38710), (553, 36120), (588, 33970), (602, 33180), (632, 31605), (645, 30968), (735, 27176), (790, 25284), (840, 23779), (860, 23226), (903, 22120), (948, 21070), (980, 20382), (1032, 19355), (1106, 18060), (1176, 16985), (1185, 16856), (1204, 16590), (1290, 15484), (1470, 13588), (1505, 13272), (1580, 12642), (1659, 12040), (1720, 11613), (1806, 11060), (1896, 10535), (1960, 10191), (2107, 9480), (2212, 9030), (2370, 8428), (2408, 8295), (2580, 7742), (2765, 7224), (2940, 6794), (3010, 6636), (3160, 6321), (3318, 6020), (3397, 5880), (3612, 5530), (3871, 5160), (4214, 4740), (4424, 4515)]