81821981540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1\times {\mathrm{3607}}^1$

素因数の和:5701

約数の個数: 96

約数和(自身を含む): 189492737280

約数和(自身を除く): 107670755740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2029, 2236, 2795, 3607, 4058, 5590, 7214, 8116, 10145, 11180, 14428, 18035, 20290, 26377, 36070, 40580, 46891, 52754, 72140, 87247, 93782, 105508, 131885, 155101, 174494, 187564, 234455, 263770, 310202, 348988, 436235, 468910, 527540, 620404, 775505, 872470, 937820, 1134211, 1551010, 1744940, 2016313, 2268422, 3102020, 4032626, 4536844, 5671055, 7318603, 8065252, 10081565, 11342110, 14637206, 20163130, 22684220, 29274412, 36593015, 40326260, 73186030, 95141839, 146372060, 190283678, 314699929, 380567356, 475709195, 629399858, 951418390, 1258799716, 1573499645, 1902836780, 3146999290, 4091099077, 6293998580, 8182198154, 16364396308, 20455495385, 40910990770, 81821981540]

約数ペア:

[(1, 81821981540), (2, 40910990770), (4, 20455495385), (5, 16364396308), (10, 8182198154), (13, 6293998580), (20, 4091099077), (26, 3146999290), (43, 1902836780), (52, 1573499645), (65, 1258799716), (86, 951418390), (130, 629399858), (172, 475709195), (215, 380567356), (260, 314699929), (430, 190283678), (559, 146372060), (860, 95141839), (1118, 73186030), (2029, 40326260), (2236, 36593015), (2795, 29274412), (3607, 22684220), (4058, 20163130), (5590, 14637206), (7214, 11342110), (8116, 10081565), (10145, 8065252), (11180, 7318603), (14428, 5671055), (18035, 4536844), (20290, 4032626), (26377, 3102020), (36070, 2268422), (40580, 2016313), (46891, 1744940), (52754, 1551010), (72140, 1134211), (87247, 937820), (93782, 872470), (105508, 775505), (131885, 620404), (155101, 527540), (174494, 468910), (187564, 436235), (234455, 348988), (263770, 310202)]