74154780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 259197120

約数和(自身を除く): 185042340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 229, 252, 257, 315, 420, 458, 514, 630, 687, 771, 916, 1028, 1145, 1260, 1285, 1374, 1542, 1603, 1799, 2061, 2290, 2313, 2570, 2748, 3084, 3206, 3435, 3598, 3855, 4122, 4580, 4626, 4809, 5140, 5397, 6412, 6870, 7196, 7710, 8015, 8244, 8995, 9252, 9618, 10305, 10794, 11565, 13740, 14427, 15420, 16030, 16191, 17990, 19236, 20610, 21588, 23130, 24045, 26985, 28854, 32060, 32382, 35980, 41220, 46260, 48090, 53970, 57708, 58853, 64764, 72135, 80955, 96180, 107940, 117706, 144270, 161910, 176559, 235412, 288540, 294265, 323820, 353118, 411971, 529677, 588530, 706236, 823942, 882795, 1059354, 1177060, 1235913, 1647884, 1765590, 2059855, 2118708, 2471826, 2648385, 3531180, 3707739, 4119710, 4943652, 5296770, 6179565, 7415478, 8239420, 10593540, 12359130, 14830956, 18538695, 24718260, 37077390, 74154780]

約数ペア:

[(1, 74154780), (2, 37077390), (3, 24718260), (4, 18538695), (5, 14830956), (6, 12359130), (7, 10593540), (9, 8239420), (10, 7415478), (12, 6179565), (14, 5296770), (15, 4943652), (18, 4119710), (20, 3707739), (21, 3531180), (28, 2648385), (30, 2471826), (35, 2118708), (36, 2059855), (42, 1765590), (45, 1647884), (60, 1235913), (63, 1177060), (70, 1059354), (84, 882795), (90, 823942), (105, 706236), (126, 588530), (140, 529677), (180, 411971), (210, 353118), (229, 323820), (252, 294265), (257, 288540), (315, 235412), (420, 176559), (458, 161910), (514, 144270), (630, 117706), (687, 107940), (771, 96180), (916, 80955), (1028, 72135), (1145, 64764), (1260, 58853), (1285, 57708), (1374, 53970), (1542, 48090), (1603, 46260), (1799, 41220), (2061, 35980), (2290, 32382), (2313, 32060), (2570, 28854), (2748, 26985), (3084, 24045), (3206, 23130), (3435, 21588), (3598, 20610), (3855, 19236), (4122, 17990), (4580, 16191), (4626, 16030), (4809, 15420), (5140, 14427), (5397, 13740), (6412, 11565), (6870, 10794), (7196, 10305), (7710, 9618), (8015, 9252), (8244, 8995)]