72405156980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{11971}}^1$

素因数の和:12577

約数の個数: 96

約数和(自身を含む): 167878854528

約数和(自身を除く): 95473697548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 541, 559, 860, 1082, 1118, 2164, 2236, 2705, 2795, 5410, 5590, 7033, 10820, 11180, 11971, 14066, 23263, 23942, 28132, 35165, 46526, 47884, 59855, 70330, 93052, 116315, 119710, 140660, 155623, 232630, 239420, 302419, 311246, 465260, 514753, 604838, 622492, 778115, 1029506, 1209676, 1512095, 1556230, 2059012, 2573765, 3024190, 3112460, 5147530, 6048380, 6476311, 6691789, 10295060, 12952622, 13383578, 25905244, 26767156, 32381555, 33458945, 64763110, 66917890, 84192043, 129526220, 133835780, 168384086, 278481373, 336768172, 420960215, 556962746, 841920430, 1113925492, 1392406865, 1683840860, 2784813730, 3620257849, 5569627460, 7240515698, 14481031396, 18101289245, 36202578490, 72405156980]

約数ペア:

[(1, 72405156980), (2, 36202578490), (4, 18101289245), (5, 14481031396), (10, 7240515698), (13, 5569627460), (20, 3620257849), (26, 2784813730), (43, 1683840860), (52, 1392406865), (65, 1113925492), (86, 841920430), (130, 556962746), (172, 420960215), (215, 336768172), (260, 278481373), (430, 168384086), (541, 133835780), (559, 129526220), (860, 84192043), (1082, 66917890), (1118, 64763110), (2164, 33458945), (2236, 32381555), (2705, 26767156), (2795, 25905244), (5410, 13383578), (5590, 12952622), (7033, 10295060), (10820, 6691789), (11180, 6476311), (11971, 6048380), (14066, 5147530), (23263, 3112460), (23942, 3024190), (28132, 2573765), (35165, 2059012), (46526, 1556230), (47884, 1512095), (59855, 1209676), (70330, 1029506), (93052, 778115), (116315, 622492), (119710, 604838), (140660, 514753), (155623, 465260), (232630, 311246), (239420, 302419)]