68320280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 192430080

約数和(自身を除く): 124109800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 463, 476, 527, 595, 620, 680, 868, 926, 952, 1054, 1085, 1190, 1240, 1736, 1852, 2108, 2170, 2315, 2380, 2635, 3241, 3689, 3704, 4216, 4340, 4630, 4760, 5270, 6482, 7378, 7871, 8680, 9260, 10540, 12964, 14353, 14756, 15742, 16205, 18445, 18520, 21080, 25928, 28706, 29512, 31484, 32410, 36890, 39355, 55097, 57412, 62968, 64820, 71765, 73780, 78710, 100471, 110194, 114824, 129640, 143530, 147560, 157420, 200942, 220388, 244001, 275485, 287060, 314840, 401884, 440776, 488002, 502355, 550970, 574120, 803768, 976004, 1004710, 1101940, 1220005, 1708007, 1952008, 2009420, 2203880, 2440010, 3416014, 4018840, 4880020, 6832028, 8540035, 9760040, 13664056, 17080070, 34160140, 68320280]

約数ペア:

[(1, 68320280), (2, 34160140), (4, 17080070), (5, 13664056), (7, 9760040), (8, 8540035), (10, 6832028), (14, 4880020), (17, 4018840), (20, 3416014), (28, 2440010), (31, 2203880), (34, 2009420), (35, 1952008), (40, 1708007), (56, 1220005), (62, 1101940), (68, 1004710), (70, 976004), (85, 803768), (119, 574120), (124, 550970), (136, 502355), (140, 488002), (155, 440776), (170, 401884), (217, 314840), (238, 287060), (248, 275485), (280, 244001), (310, 220388), (340, 200942), (434, 157420), (463, 147560), (476, 143530), (527, 129640), (595, 114824), (620, 110194), (680, 100471), (868, 78710), (926, 73780), (952, 71765), (1054, 64820), (1085, 62968), (1190, 57412), (1240, 55097), (1736, 39355), (1852, 36890), (2108, 32410), (2170, 31484), (2315, 29512), (2380, 28706), (2635, 25928), (3241, 21080), (3689, 18520), (3704, 18445), (4216, 16205), (4340, 15742), (4630, 14756), (4760, 14353), (5270, 12964), (6482, 10540), (7378, 9260), (7871, 8680)]