84544780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 190081584

約数和(自身を除く): 105536804

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 131, 230, 244, 262, 305, 460, 524, 529, 610, 655, 1058, 1220, 1310, 1403, 2116, 2620, 2645, 2806, 3013, 5290, 5612, 6026, 7015, 7991, 10580, 12052, 14030, 15065, 15982, 28060, 30130, 31964, 32269, 39955, 60260, 64538, 69299, 79910, 129076, 138598, 159820, 161345, 183793, 277196, 322690, 346495, 367586, 645380, 692990, 735172, 918965, 1385980, 1837930, 3675860, 4227239, 8454478, 16908956, 21136195, 42272390, 84544780]

約数ペア:

[(1, 84544780), (2, 42272390), (4, 21136195), (5, 16908956), (10, 8454478), (20, 4227239), (23, 3675860), (46, 1837930), (61, 1385980), (92, 918965), (115, 735172), (122, 692990), (131, 645380), (230, 367586), (244, 346495), (262, 322690), (305, 277196), (460, 183793), (524, 161345), (529, 159820), (610, 138598), (655, 129076), (1058, 79910), (1220, 69299), (1310, 64538), (1403, 60260), (2116, 39955), (2620, 32269), (2645, 31964), (2806, 30130), (3013, 28060), (5290, 15982), (5612, 15065), (6026, 14030), (7015, 12052), (7991, 10580)]