305818920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2663}}^1$

素因数の和:2720

約数の個数: 192

約数和(自身を含む): 1122076800

約数和(自身を除く): 816257880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 580, 638, 660, 696, 792, 870, 957, 990, 1044, 1160, 1276, 1305, 1320, 1595, 1740, 1914, 1980, 2088, 2552, 2610, 2663, 2871, 3190, 3480, 3828, 3960, 4785, 5220, 5326, 5742, 6380, 7656, 7989, 9570, 10440, 10652, 11484, 12760, 13315, 14355, 15978, 19140, 21304, 22968, 23967, 26630, 28710, 29293, 31956, 38280, 39945, 47934, 53260, 57420, 58586, 63912, 77227, 79890, 87879, 95868, 106520, 114840, 117172, 119835, 146465, 154454, 159780, 175758, 191736, 231681, 234344, 239670, 263637, 292930, 308908, 319560, 351516, 386135, 439395, 463362, 479340, 527274, 585860, 617816, 695043, 703032, 772270, 849497, 878790, 926724, 958680, 1054548, 1158405, 1171720, 1318185, 1390086, 1544540, 1698994, 1757580, 1853448, 2109096, 2316810, 2548491, 2636370, 2780172, 3089080, 3397988, 3475215, 3515160, 4247485, 4633620, 5096982, 5272740, 5560344, 6795976, 6950430, 7645473, 8494970, 9267240, 10193964, 10545480, 12742455, 13900860, 15290946, 16989940, 20387928, 25484910, 27801720, 30581892, 33979880, 38227365, 50969820, 61163784, 76454730, 101939640, 152909460, 305818920]

約数ペア:

[(1, 305818920), (2, 152909460), (3, 101939640), (4, 76454730), (5, 61163784), (6, 50969820), (8, 38227365), (9, 33979880), (10, 30581892), (11, 27801720), (12, 25484910), (15, 20387928), (18, 16989940), (20, 15290946), (22, 13900860), (24, 12742455), (29, 10545480), (30, 10193964), (33, 9267240), (36, 8494970), (40, 7645473), (44, 6950430), (45, 6795976), (55, 5560344), (58, 5272740), (60, 5096982), (66, 4633620), (72, 4247485), (87, 3515160), (88, 3475215), (90, 3397988), (99, 3089080), (110, 2780172), (116, 2636370), (120, 2548491), (132, 2316810), (145, 2109096), (165, 1853448), (174, 1757580), (180, 1698994), (198, 1544540), (220, 1390086), (232, 1318185), (261, 1171720), (264, 1158405), (290, 1054548), (319, 958680), (330, 926724), (348, 878790), (360, 849497), (396, 772270), (435, 703032), (440, 695043), (495, 617816), (522, 585860), (580, 527274), (638, 479340), (660, 463362), (696, 439395), (792, 386135), (870, 351516), (957, 319560), (990, 308908), (1044, 292930), (1160, 263637), (1276, 239670), (1305, 234344), (1320, 231681), (1595, 191736), (1740, 175758), (1914, 159780), (1980, 154454), (2088, 146465), (2552, 119835), (2610, 117172), (2663, 114840), (2871, 106520), (3190, 95868), (3480, 87879), (3828, 79890), (3960, 77227), (4785, 63912), (5220, 58586), (5326, 57420), (5742, 53260), (6380, 47934), (7656, 39945), (7989, 38280), (9570, 31956), (10440, 29293), (10652, 28710), (11484, 26630), (12760, 23967), (13315, 22968), (14355, 21304), (15978, 19140)]