20152508880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{47791}}^1$

素因数の和:48065

約数の個数: 160

約数和(自身を含む): 71683411968

約数和(自身を除く): 51530903088

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, 112, 120, 140, 168, 210, 240, 251, 280, 336, 420, 502, 560, 753, 840, 1004, 1255, 1506, 1680, 1757, 2008, 2510, 3012, 3514, 3765, 4016, 5020, 5271, 6024, 7028, 7530, 8785, 10040, 10542, 12048, 14056, 15060, 17570, 20080, 21084, 26355, 28112, 30120, 35140, 42168, 47791, 52710, 60240, 70280, 84336, 95582, 105420, 140560, 143373, 191164, 210840, 238955, 286746, 334537, 382328, 421680, 477910, 573492, 669074, 716865, 764656, 955820, 1003611, 1146984, 1338148, 1433730, 1672685, 1911640, 2007222, 2293968, 2676296, 2867460, 3345370, 3823280, 4014444, 5018055, 5352592, 5734920, 6690740, 8028888, 10036110, 11469840, 11995541, 13381480, 16057776, 20072220, 23991082, 26762960, 35986623, 40144440, 47982164, 59977705, 71973246, 80288880, 83968787, 95964328, 119955410, 143946492, 167937574, 179933115, 191928656, 239910820, 251906361, 287892984, 335875148, 359866230, 419843935, 479821640, 503812722, 575785968, 671750296, 719732460, 839687870, 959643280, 1007625444, 1259531805, 1343500592, 1439464920, 1679375740, 2015250888, 2519063610, 2878929840, 3358751480, 4030501776, 5038127220, 6717502960, 10076254440, 20152508880]

約数ペア:

[(1, 20152508880), (2, 10076254440), (3, 6717502960), (4, 5038127220), (5, 4030501776), (6, 3358751480), (7, 2878929840), (8, 2519063610), (10, 2015250888), (12, 1679375740), (14, 1439464920), (15, 1343500592), (16, 1259531805), (20, 1007625444), (21, 959643280), (24, 839687870), (28, 719732460), (30, 671750296), (35, 575785968), (40, 503812722), (42, 479821640), (48, 419843935), (56, 359866230), (60, 335875148), (70, 287892984), (80, 251906361), (84, 239910820), (105, 191928656), (112, 179933115), (120, 167937574), (140, 143946492), (168, 119955410), (210, 95964328), (240, 83968787), (251, 80288880), (280, 71973246), (336, 59977705), (420, 47982164), (502, 40144440), (560, 35986623), (753, 26762960), (840, 23991082), (1004, 20072220), (1255, 16057776), (1506, 13381480), (1680, 11995541), (1757, 11469840), (2008, 10036110), (2510, 8028888), (3012, 6690740), (3514, 5734920), (3765, 5352592), (4016, 5018055), (5020, 4014444), (5271, 3823280), (6024, 3345370), (7028, 2867460), (7530, 2676296), (8785, 2293968), (10040, 2007222), (10542, 1911640), (12048, 1672685), (14056, 1433730), (15060, 1338148), (17570, 1146984), (20080, 1003611), (21084, 955820), (26355, 764656), (28112, 716865), (30120, 669074), (35140, 573492), (42168, 477910), (47791, 421680), (52710, 382328), (60240, 334537), (70280, 286746), (84336, 238955), (95582, 210840), (105420, 191164), (140560, 143373)]