31565820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 104775552

約数和(自身を除く): 73209732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 169, 195, 220, 260, 283, 286, 330, 338, 390, 429, 507, 566, 572, 660, 676, 715, 780, 845, 849, 858, 1014, 1132, 1415, 1430, 1690, 1698, 1716, 1859, 2028, 2145, 2535, 2830, 2860, 3113, 3380, 3396, 3679, 3718, 4245, 4290, 5070, 5577, 5660, 6226, 7358, 7436, 8490, 8580, 9295, 9339, 10140, 11037, 11154, 12452, 14716, 15565, 16980, 18395, 18590, 18678, 22074, 22308, 27885, 31130, 36790, 37180, 37356, 40469, 44148, 46695, 47827, 55185, 55770, 62260, 73580, 80938, 93390, 95654, 110370, 111540, 121407, 143481, 161876, 186780, 191308, 202345, 220740, 239135, 242814, 286962, 404690, 478270, 485628, 526097, 573924, 607035, 717405, 809380, 956540, 1052194, 1214070, 1434810, 1578291, 2104388, 2428140, 2630485, 2869620, 3156582, 5260970, 6313164, 7891455, 10521940, 15782910, 31565820]

約数ペア:

[(1, 31565820), (2, 15782910), (3, 10521940), (4, 7891455), (5, 6313164), (6, 5260970), (10, 3156582), (11, 2869620), (12, 2630485), (13, 2428140), (15, 2104388), (20, 1578291), (22, 1434810), (26, 1214070), (30, 1052194), (33, 956540), (39, 809380), (44, 717405), (52, 607035), (55, 573924), (60, 526097), (65, 485628), (66, 478270), (78, 404690), (110, 286962), (130, 242814), (132, 239135), (143, 220740), (156, 202345), (165, 191308), (169, 186780), (195, 161876), (220, 143481), (260, 121407), (283, 111540), (286, 110370), (330, 95654), (338, 93390), (390, 80938), (429, 73580), (507, 62260), (566, 55770), (572, 55185), (660, 47827), (676, 46695), (715, 44148), (780, 40469), (845, 37356), (849, 37180), (858, 36790), (1014, 31130), (1132, 27885), (1415, 22308), (1430, 22074), (1690, 18678), (1698, 18590), (1716, 18395), (1859, 16980), (2028, 15565), (2145, 14716), (2535, 12452), (2830, 11154), (2860, 11037), (3113, 10140), (3380, 9339), (3396, 9295), (3679, 8580), (3718, 8490), (4245, 7436), (4290, 7358), (5070, 6226), (5577, 5660)]