31181640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{5303}}^1$

素因数の和:5331

約数の個数: 96

約数和(自身を含む): 108838080

約数和(自身を除く): 77656440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5303, 5880, 10606, 15909, 21212, 26515, 31818, 37121, 42424, 53030, 63636, 74242, 79545, 106060, 111363, 127272, 148484, 159090, 185605, 212120, 222726, 259847, 296968, 318180, 371210, 445452, 519694, 556815, 636360, 742420, 779541, 890904, 1039388, 1113630, 1299235, 1484840, 1559082, 2078776, 2227260, 2598470, 3118164, 3897705, 4454520, 5196940, 6236328, 7795410, 10393880, 15590820, 31181640]

約数ペア:

[(1, 31181640), (2, 15590820), (3, 10393880), (4, 7795410), (5, 6236328), (6, 5196940), (7, 4454520), (8, 3897705), (10, 3118164), (12, 2598470), (14, 2227260), (15, 2078776), (20, 1559082), (21, 1484840), (24, 1299235), (28, 1113630), (30, 1039388), (35, 890904), (40, 779541), (42, 742420), (49, 636360), (56, 556815), (60, 519694), (70, 445452), (84, 371210), (98, 318180), (105, 296968), (120, 259847), (140, 222726), (147, 212120), (168, 185605), (196, 159090), (210, 148484), (245, 127272), (280, 111363), (294, 106060), (392, 79545), (420, 74242), (490, 63636), (588, 53030), (735, 42424), (840, 37121), (980, 31818), (1176, 26515), (1470, 21212), (1960, 15909), (2940, 10606), (5303, 5880)]