31572720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 111421440

約数和(自身を除く): 79848720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 108, 120, 135, 141, 144, 180, 188, 216, 235, 240, 270, 282, 311, 360, 376, 423, 432, 470, 540, 564, 622, 705, 720, 752, 846, 933, 940, 1080, 1128, 1244, 1269, 1410, 1555, 1692, 1866, 1880, 2115, 2160, 2256, 2488, 2538, 2799, 2820, 3110, 3384, 3732, 3760, 4230, 4665, 4976, 5076, 5598, 5640, 6220, 6345, 6768, 7464, 8397, 8460, 9330, 10152, 11196, 11280, 12440, 12690, 13995, 14617, 14928, 16794, 16920, 18660, 20304, 22392, 24880, 25380, 27990, 29234, 33588, 33840, 37320, 41985, 43851, 44784, 50760, 55980, 58468, 67176, 73085, 74640, 83970, 87702, 101520, 111960, 116936, 131553, 134352, 146170, 167940, 175404, 219255, 223920, 233872, 263106, 292340, 335880, 350808, 394659, 438510, 526212, 584680, 657765, 671760, 701616, 789318, 877020, 1052424, 1169360, 1315530, 1578636, 1754040, 1973295, 2104848, 2631060, 3157272, 3508080, 3946590, 5262120, 6314544, 7893180, 10524240, 15786360, 31572720]

約数ペア:

[(1, 31572720), (2, 15786360), (3, 10524240), (4, 7893180), (5, 6314544), (6, 5262120), (8, 3946590), (9, 3508080), (10, 3157272), (12, 2631060), (15, 2104848), (16, 1973295), (18, 1754040), (20, 1578636), (24, 1315530), (27, 1169360), (30, 1052424), (36, 877020), (40, 789318), (45, 701616), (47, 671760), (48, 657765), (54, 584680), (60, 526212), (72, 438510), (80, 394659), (90, 350808), (94, 335880), (108, 292340), (120, 263106), (135, 233872), (141, 223920), (144, 219255), (180, 175404), (188, 167940), (216, 146170), (235, 134352), (240, 131553), (270, 116936), (282, 111960), (311, 101520), (360, 87702), (376, 83970), (423, 74640), (432, 73085), (470, 67176), (540, 58468), (564, 55980), (622, 50760), (705, 44784), (720, 43851), (752, 41985), (846, 37320), (933, 33840), (940, 33588), (1080, 29234), (1128, 27990), (1244, 25380), (1269, 24880), (1410, 22392), (1555, 20304), (1692, 18660), (1866, 16920), (1880, 16794), (2115, 14928), (2160, 14617), (2256, 13995), (2488, 12690), (2538, 12440), (2799, 11280), (2820, 11196), (3110, 10152), (3384, 9330), (3732, 8460), (3760, 8397), (4230, 7464), (4665, 6768), (4976, 6345), (5076, 6220), (5598, 5640)]