68303760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 244865280

約数和(自身を除く): 176561520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 327, 336, 373, 420, 436, 545, 560, 654, 746, 763, 840, 872, 1090, 1119, 1308, 1492, 1526, 1635, 1680, 1744, 1865, 2180, 2238, 2289, 2611, 2616, 2984, 3052, 3270, 3730, 3815, 4360, 4476, 4578, 5222, 5232, 5595, 5968, 6104, 6540, 7460, 7630, 7833, 8720, 8952, 9156, 10444, 11190, 11445, 12208, 13055, 13080, 14920, 15260, 15666, 17904, 18312, 20888, 22380, 22890, 26110, 26160, 29840, 30520, 31332, 36624, 39165, 40657, 41776, 44760, 45780, 52220, 61040, 62664, 78330, 81314, 89520, 91560, 104440, 121971, 125328, 156660, 162628, 183120, 203285, 208880, 243942, 284599, 313320, 325256, 406570, 487884, 569198, 609855, 626640, 650512, 813140, 853797, 975768, 1138396, 1219710, 1422995, 1626280, 1707594, 1951536, 2276792, 2439420, 2845990, 3252560, 3415188, 4268985, 4553584, 4878840, 5691980, 6830376, 8537970, 9757680, 11383960, 13660752, 17075940, 22767920, 34151880, 68303760]

約数ペア:

[(1, 68303760), (2, 34151880), (3, 22767920), (4, 17075940), (5, 13660752), (6, 11383960), (7, 9757680), (8, 8537970), (10, 6830376), (12, 5691980), (14, 4878840), (15, 4553584), (16, 4268985), (20, 3415188), (21, 3252560), (24, 2845990), (28, 2439420), (30, 2276792), (35, 1951536), (40, 1707594), (42, 1626280), (48, 1422995), (56, 1219710), (60, 1138396), (70, 975768), (80, 853797), (84, 813140), (105, 650512), (109, 626640), (112, 609855), (120, 569198), (140, 487884), (168, 406570), (210, 325256), (218, 313320), (240, 284599), (280, 243942), (327, 208880), (336, 203285), (373, 183120), (420, 162628), (436, 156660), (545, 125328), (560, 121971), (654, 104440), (746, 91560), (763, 89520), (840, 81314), (872, 78330), (1090, 62664), (1119, 61040), (1308, 52220), (1492, 45780), (1526, 44760), (1635, 41776), (1680, 40657), (1744, 39165), (1865, 36624), (2180, 31332), (2238, 30520), (2289, 29840), (2611, 26160), (2616, 26110), (2984, 22890), (3052, 22380), (3270, 20888), (3730, 18312), (3815, 17904), (4360, 15666), (4476, 15260), (4578, 14920), (5222, 13080), (5232, 13055), (5595, 12208), (5968, 11445), (6104, 11190), (6540, 10444), (7460, 9156), (7630, 8952), (7833, 8720)]