81022410

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 249384960

約数和(自身を除く): 168362550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 163, 189, 210, 263, 270, 315, 326, 378, 489, 526, 630, 789, 815, 945, 978, 1141, 1315, 1467, 1578, 1630, 1841, 1890, 2282, 2367, 2445, 2630, 2934, 3423, 3682, 3945, 4401, 4734, 4890, 5523, 5705, 6846, 7101, 7335, 7890, 8802, 9205, 10269, 11046, 11410, 11835, 14202, 14670, 16569, 17115, 18410, 20538, 22005, 23670, 27615, 30807, 33138, 34230, 35505, 42869, 44010, 49707, 51345, 55230, 61614, 71010, 82845, 85738, 99414, 102690, 128607, 154035, 165690, 214345, 248535, 257214, 300083, 308070, 385821, 428690, 497070, 600166, 643035, 771642, 900249, 1157463, 1286070, 1500415, 1800498, 1929105, 2314926, 2700747, 3000830, 3858210, 4501245, 5401494, 5787315, 8102241, 9002490, 11574630, 13503735, 16204482, 27007470, 40511205, 81022410]

約数ペア:

[(1, 81022410), (2, 40511205), (3, 27007470), (5, 16204482), (6, 13503735), (7, 11574630), (9, 9002490), (10, 8102241), (14, 5787315), (15, 5401494), (18, 4501245), (21, 3858210), (27, 3000830), (30, 2700747), (35, 2314926), (42, 1929105), (45, 1800498), (54, 1500415), (63, 1286070), (70, 1157463), (90, 900249), (105, 771642), (126, 643035), (135, 600166), (163, 497070), (189, 428690), (210, 385821), (263, 308070), (270, 300083), (315, 257214), (326, 248535), (378, 214345), (489, 165690), (526, 154035), (630, 128607), (789, 102690), (815, 99414), (945, 85738), (978, 82845), (1141, 71010), (1315, 61614), (1467, 55230), (1578, 51345), (1630, 49707), (1841, 44010), (1890, 42869), (2282, 35505), (2367, 34230), (2445, 33138), (2630, 30807), (2934, 27615), (3423, 23670), (3682, 22005), (3945, 20538), (4401, 18410), (4734, 17115), (4890, 16569), (5523, 14670), (5705, 14202), (6846, 11835), (7101, 11410), (7335, 11046), (7890, 10269), (8802, 9205)]