30821196

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 91010304

約数和(自身を除く): 60189108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 43, 46, 49, 53, 69, 84, 86, 92, 98, 106, 129, 138, 147, 159, 161, 172, 196, 212, 258, 276, 294, 301, 318, 322, 371, 483, 516, 588, 602, 636, 644, 742, 903, 966, 989, 1113, 1127, 1204, 1219, 1484, 1806, 1932, 1978, 2107, 2226, 2254, 2279, 2438, 2597, 2967, 3381, 3612, 3657, 3956, 4214, 4452, 4508, 4558, 4876, 5194, 5934, 6321, 6762, 6837, 6923, 7314, 7791, 8428, 8533, 9116, 10388, 11868, 12642, 13524, 13674, 13846, 14628, 15582, 15953, 17066, 20769, 25284, 25599, 27348, 27692, 31164, 31906, 34132, 41538, 47859, 48461, 51198, 52417, 59731, 63812, 83076, 95718, 96922, 102396, 104834, 111671, 119462, 145383, 157251, 179193, 191436, 193844, 209668, 223342, 238924, 290766, 314502, 335013, 358386, 366919, 446684, 581532, 629004, 670026, 716772, 733838, 1100757, 1340052, 1467676, 2201514, 2568433, 4403028, 5136866, 7705299, 10273732, 15410598, 30821196]

約数ペア:

[(1, 30821196), (2, 15410598), (3, 10273732), (4, 7705299), (6, 5136866), (7, 4403028), (12, 2568433), (14, 2201514), (21, 1467676), (23, 1340052), (28, 1100757), (42, 733838), (43, 716772), (46, 670026), (49, 629004), (53, 581532), (69, 446684), (84, 366919), (86, 358386), (92, 335013), (98, 314502), (106, 290766), (129, 238924), (138, 223342), (147, 209668), (159, 193844), (161, 191436), (172, 179193), (196, 157251), (212, 145383), (258, 119462), (276, 111671), (294, 104834), (301, 102396), (318, 96922), (322, 95718), (371, 83076), (483, 63812), (516, 59731), (588, 52417), (602, 51198), (636, 48461), (644, 47859), (742, 41538), (903, 34132), (966, 31906), (989, 31164), (1113, 27692), (1127, 27348), (1204, 25599), (1219, 25284), (1484, 20769), (1806, 17066), (1932, 15953), (1978, 15582), (2107, 14628), (2226, 13846), (2254, 13674), (2279, 13524), (2438, 12642), (2597, 11868), (2967, 10388), (3381, 9116), (3612, 8533), (3657, 8428), (3956, 7791), (4214, 7314), (4452, 6923), (4508, 6837), (4558, 6762), (4876, 6321), (5194, 5934)]