7998760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:96

約数の個数: 128

約数和(自身を含む): 23328000

約数和(自身を除く): 15329240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 53, 55, 56, 70, 77, 88, 98, 106, 110, 140, 154, 196, 212, 220, 245, 265, 280, 308, 343, 371, 385, 392, 424, 440, 490, 530, 539, 583, 616, 686, 742, 770, 980, 1060, 1078, 1166, 1372, 1484, 1540, 1715, 1855, 1960, 2120, 2156, 2332, 2597, 2695, 2744, 2915, 2968, 3080, 3430, 3710, 3773, 4081, 4312, 4664, 5194, 5390, 5830, 6860, 7420, 7546, 8162, 10388, 10780, 11660, 12985, 13720, 14840, 15092, 16324, 18179, 18865, 20405, 20776, 21560, 23320, 25970, 28567, 30184, 32648, 36358, 37730, 40810, 51940, 57134, 72716, 75460, 81620, 90895, 103880, 114268, 142835, 145432, 150920, 163240, 181790, 199969, 228536, 285670, 363580, 399938, 571340, 727160, 799876, 999845, 1142680, 1599752, 1999690, 3999380, 7998760]

約数ペア:

[(1, 7998760), (2, 3999380), (4, 1999690), (5, 1599752), (7, 1142680), (8, 999845), (10, 799876), (11, 727160), (14, 571340), (20, 399938), (22, 363580), (28, 285670), (35, 228536), (40, 199969), (44, 181790), (49, 163240), (53, 150920), (55, 145432), (56, 142835), (70, 114268), (77, 103880), (88, 90895), (98, 81620), (106, 75460), (110, 72716), (140, 57134), (154, 51940), (196, 40810), (212, 37730), (220, 36358), (245, 32648), (265, 30184), (280, 28567), (308, 25970), (343, 23320), (371, 21560), (385, 20776), (392, 20405), (424, 18865), (440, 18179), (490, 16324), (530, 15092), (539, 14840), (583, 13720), (616, 12985), (686, 11660), (742, 10780), (770, 10388), (980, 8162), (1060, 7546), (1078, 7420), (1166, 6860), (1372, 5830), (1484, 5390), (1540, 5194), (1715, 4664), (1855, 4312), (1960, 4081), (2120, 3773), (2156, 3710), (2332, 3430), (2597, 3080), (2695, 2968), (2744, 2915)]