8640819540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1\times {\mathrm{997}}^1$

素因数の和:1642

約数の個数: 144

約数和(自身を含む): 26580612240

約数和(自身を除く): 17939792700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 541, 801, 890, 997, 1068, 1082, 1335, 1602, 1623, 1780, 1994, 2164, 2670, 2705, 2991, 3204, 3246, 3988, 4005, 4869, 4985, 5340, 5410, 5982, 6492, 8010, 8115, 8973, 9738, 9970, 10820, 11964, 14955, 16020, 16230, 17946, 19476, 19940, 24345, 29910, 32460, 35892, 44865, 48149, 48690, 59820, 88733, 89730, 96298, 97380, 144447, 177466, 179460, 192596, 240745, 266199, 288894, 354932, 433341, 443665, 481490, 532398, 539377, 577788, 722235, 798597, 866682, 887330, 962980, 1064796, 1078754, 1330995, 1444470, 1597194, 1618131, 1733364, 1774660, 2157508, 2166705, 2661990, 2696885, 2888940, 3194388, 3236262, 3992985, 4333410, 4854393, 5323980, 5393770, 6472524, 7985970, 8090655, 8666820, 9708786, 10787540, 15971940, 16181310, 19417572, 24271965, 32362620, 48004553, 48543930, 96009106, 97087860, 144013659, 192018212, 240022765, 288027318, 432040977, 480045530, 576054636, 720068295, 864081954, 960091060, 1440136590, 1728163908, 2160204885, 2880273180, 4320409770, 8640819540]

約数ペア:

[(1, 8640819540), (2, 4320409770), (3, 2880273180), (4, 2160204885), (5, 1728163908), (6, 1440136590), (9, 960091060), (10, 864081954), (12, 720068295), (15, 576054636), (18, 480045530), (20, 432040977), (30, 288027318), (36, 240022765), (45, 192018212), (60, 144013659), (89, 97087860), (90, 96009106), (178, 48543930), (180, 48004553), (267, 32362620), (356, 24271965), (445, 19417572), (534, 16181310), (541, 15971940), (801, 10787540), (890, 9708786), (997, 8666820), (1068, 8090655), (1082, 7985970), (1335, 6472524), (1602, 5393770), (1623, 5323980), (1780, 4854393), (1994, 4333410), (2164, 3992985), (2670, 3236262), (2705, 3194388), (2991, 2888940), (3204, 2696885), (3246, 2661990), (3988, 2166705), (4005, 2157508), (4869, 1774660), (4985, 1733364), (5340, 1618131), (5410, 1597194), (5982, 1444470), (6492, 1330995), (8010, 1078754), (8115, 1064796), (8973, 962980), (9738, 887330), (9970, 866682), (10820, 798597), (11964, 722235), (14955, 577788), (16020, 539377), (16230, 532398), (17946, 481490), (19476, 443665), (19940, 433341), (24345, 354932), (29910, 288894), (32460, 266199), (35892, 240745), (44865, 192596), (48149, 179460), (48690, 177466), (59820, 144447), (88733, 97380), (89730, 96298)]