69387920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 194059008

約数和(自身を除く): 124671088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 571, 620, 784, 868, 980, 1085, 1142, 1240, 1519, 1736, 1960, 2170, 2284, 2480, 2855, 3038, 3472, 3920, 3997, 4340, 4568, 5710, 6076, 7595, 7994, 8680, 9136, 11420, 12152, 15190, 15988, 17360, 17701, 19985, 22840, 24304, 27979, 30380, 31976, 35402, 39970, 45680, 55958, 60760, 63952, 70804, 79940, 88505, 111916, 121520, 123907, 139895, 141608, 159880, 177010, 223832, 247814, 279790, 283216, 319760, 354020, 447664, 495628, 559580, 619535, 708040, 867349, 991256, 1119160, 1239070, 1416080, 1734698, 1982512, 2238320, 2478140, 3469396, 4336745, 4956280, 6938792, 8673490, 9912560, 13877584, 17346980, 34693960, 69387920]

約数ペア:

[(1, 69387920), (2, 34693960), (4, 17346980), (5, 13877584), (7, 9912560), (8, 8673490), (10, 6938792), (14, 4956280), (16, 4336745), (20, 3469396), (28, 2478140), (31, 2238320), (35, 1982512), (40, 1734698), (49, 1416080), (56, 1239070), (62, 1119160), (70, 991256), (80, 867349), (98, 708040), (112, 619535), (124, 559580), (140, 495628), (155, 447664), (196, 354020), (217, 319760), (245, 283216), (248, 279790), (280, 247814), (310, 223832), (392, 177010), (434, 159880), (490, 141608), (496, 139895), (560, 123907), (571, 121520), (620, 111916), (784, 88505), (868, 79940), (980, 70804), (1085, 63952), (1142, 60760), (1240, 55958), (1519, 45680), (1736, 39970), (1960, 35402), (2170, 31976), (2284, 30380), (2480, 27979), (2855, 24304), (3038, 22840), (3472, 19985), (3920, 17701), (3997, 17360), (4340, 15988), (4568, 15190), (5710, 12152), (6076, 11420), (7595, 9136), (7994, 8680)]