31342740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 104037696

約数和(自身を除く): 72694956

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, 281, 286, 330, 338, 390, 429, 507, 562, 572, 660, 676, 715, 780, 843, 845, 858, 1014, 1124, 1405, 1430, 1686, 1690, 1716, 1859, 2028, 2145, 2535, 2810, 2860, 3091, 3372, 3380, 3653, 3718, 4215, 4290, 5070, 5577, 5620, 6182, 7306, 7436, 8430, 8580, 9273, 9295, 10140, 10959, 11154, 12364, 14612, 15455, 16860, 18265, 18546, 18590, 21918, 22308, 27885, 30910, 36530, 37092, 37180, 40183, 43836, 46365, 47489, 54795, 55770, 61820, 73060, 80366, 92730, 94978, 109590, 111540, 120549, 142467, 160732, 185460, 189956, 200915, 219180, 237445, 241098, 284934, 401830, 474890, 482196, 522379, 569868, 602745, 712335, 803660, 949780, 1044758, 1205490, 1424670, 1567137, 2089516, 2410980, 2611895, 2849340, 3134274, 5223790, 6268548, 7835685, 10447580, 15671370, 31342740]

約数ペア:

[(1, 31342740), (2, 15671370), (3, 10447580), (4, 7835685), (5, 6268548), (6, 5223790), (10, 3134274), (11, 2849340), (12, 2611895), (13, 2410980), (15, 2089516), (20, 1567137), (22, 1424670), (26, 1205490), (30, 1044758), (33, 949780), (39, 803660), (44, 712335), (52, 602745), (55, 569868), (60, 522379), (65, 482196), (66, 474890), (78, 401830), (110, 284934), (130, 241098), (132, 237445), (143, 219180), (156, 200915), (165, 189956), (169, 185460), (195, 160732), (220, 142467), (260, 120549), (281, 111540), (286, 109590), (330, 94978), (338, 92730), (390, 80366), (429, 73060), (507, 61820), (562, 55770), (572, 54795), (660, 47489), (676, 46365), (715, 43836), (780, 40183), (843, 37180), (845, 37092), (858, 36530), (1014, 30910), (1124, 27885), (1405, 22308), (1430, 21918), (1686, 18590), (1690, 18546), (1716, 18265), (1859, 16860), (2028, 15455), (2145, 14612), (2535, 12364), (2810, 11154), (2860, 10959), (3091, 10140), (3372, 9295), (3380, 9273), (3653, 8580), (3718, 8430), (4215, 7436), (4290, 7306), (5070, 6182), (5577, 5620)]