30712080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 110492928

約数和(自身を除く): 79780848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 112, 120, 140, 168, 181, 202, 210, 240, 280, 303, 336, 362, 404, 420, 505, 543, 560, 606, 707, 724, 808, 840, 905, 1010, 1086, 1212, 1267, 1414, 1448, 1515, 1616, 1680, 1810, 2020, 2121, 2172, 2424, 2534, 2715, 2828, 2896, 3030, 3535, 3620, 3801, 4040, 4242, 4344, 4848, 5068, 5430, 5656, 6060, 6335, 7070, 7240, 7602, 8080, 8484, 8688, 10136, 10605, 10860, 11312, 12120, 12670, 14140, 14480, 15204, 16968, 18281, 19005, 20272, 21210, 21720, 24240, 25340, 28280, 30408, 33936, 36562, 38010, 42420, 43440, 50680, 54843, 56560, 60816, 73124, 76020, 84840, 91405, 101360, 109686, 127967, 146248, 152040, 169680, 182810, 219372, 255934, 274215, 292496, 304080, 365620, 383901, 438744, 511868, 548430, 639835, 731240, 767802, 877488, 1023736, 1096860, 1279670, 1462480, 1535604, 1919505, 2047472, 2193720, 2559340, 3071208, 3839010, 4387440, 5118680, 6142416, 7678020, 10237360, 15356040, 30712080]

約数ペア:

[(1, 30712080), (2, 15356040), (3, 10237360), (4, 7678020), (5, 6142416), (6, 5118680), (7, 4387440), (8, 3839010), (10, 3071208), (12, 2559340), (14, 2193720), (15, 2047472), (16, 1919505), (20, 1535604), (21, 1462480), (24, 1279670), (28, 1096860), (30, 1023736), (35, 877488), (40, 767802), (42, 731240), (48, 639835), (56, 548430), (60, 511868), (70, 438744), (80, 383901), (84, 365620), (101, 304080), (105, 292496), (112, 274215), (120, 255934), (140, 219372), (168, 182810), (181, 169680), (202, 152040), (210, 146248), (240, 127967), (280, 109686), (303, 101360), (336, 91405), (362, 84840), (404, 76020), (420, 73124), (505, 60816), (543, 56560), (560, 54843), (606, 50680), (707, 43440), (724, 42420), (808, 38010), (840, 36562), (905, 33936), (1010, 30408), (1086, 28280), (1212, 25340), (1267, 24240), (1414, 21720), (1448, 21210), (1515, 20272), (1616, 19005), (1680, 18281), (1810, 16968), (2020, 15204), (2121, 14480), (2172, 14140), (2424, 12670), (2534, 12120), (2715, 11312), (2828, 10860), (2896, 10605), (3030, 10136), (3535, 8688), (3620, 8484), (3801, 8080), (4040, 7602), (4242, 7240), (4344, 7070), (4848, 6335), (5068, 6060), (5430, 5656)]