161722860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 503586720

約数和(自身を除く): 341863860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 169, 195, 205, 246, 260, 338, 389, 390, 410, 492, 507, 533, 615, 676, 778, 780, 820, 845, 1014, 1066, 1167, 1230, 1556, 1599, 1690, 1945, 2028, 2132, 2334, 2460, 2535, 2665, 3198, 3380, 3890, 4668, 5057, 5070, 5330, 5835, 6396, 6929, 7780, 7995, 10114, 10140, 10660, 11670, 13858, 15171, 15949, 15990, 20228, 20787, 23340, 25285, 27716, 30342, 31898, 31980, 34645, 41574, 47847, 50570, 60684, 63796, 65741, 69290, 75855, 79745, 83148, 95694, 101140, 103935, 131482, 138580, 151710, 159490, 191388, 197223, 207337, 207870, 239235, 262964, 303420, 318980, 328705, 394446, 414674, 415740, 478470, 622011, 657410, 788892, 829348, 956940, 986115, 1036685, 1244022, 1314820, 1972230, 2073370, 2488044, 2695381, 3110055, 3944460, 4146740, 5390762, 6220110, 8086143, 10781524, 12440220, 13476905, 16172286, 26953810, 32344572, 40430715, 53907620, 80861430, 161722860]

約数ペア:

[(1, 161722860), (2, 80861430), (3, 53907620), (4, 40430715), (5, 32344572), (6, 26953810), (10, 16172286), (12, 13476905), (13, 12440220), (15, 10781524), (20, 8086143), (26, 6220110), (30, 5390762), (39, 4146740), (41, 3944460), (52, 3110055), (60, 2695381), (65, 2488044), (78, 2073370), (82, 1972230), (123, 1314820), (130, 1244022), (156, 1036685), (164, 986115), (169, 956940), (195, 829348), (205, 788892), (246, 657410), (260, 622011), (338, 478470), (389, 415740), (390, 414674), (410, 394446), (492, 328705), (507, 318980), (533, 303420), (615, 262964), (676, 239235), (778, 207870), (780, 207337), (820, 197223), (845, 191388), (1014, 159490), (1066, 151710), (1167, 138580), (1230, 131482), (1556, 103935), (1599, 101140), (1690, 95694), (1945, 83148), (2028, 79745), (2132, 75855), (2334, 69290), (2460, 65741), (2535, 63796), (2665, 60684), (3198, 50570), (3380, 47847), (3890, 41574), (4668, 34645), (5057, 31980), (5070, 31898), (5330, 30342), (5835, 27716), (6396, 25285), (6929, 23340), (7780, 20787), (7995, 20228), (10114, 15990), (10140, 15949), (10660, 15171), (11670, 13858)]