71977920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{10711}}^1$

素因数の和:10738

約数の個数: 112

約数和(自身を含む): 261201408

約数和(自身を除く): 189223488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 10711, 21422, 32133, 42844, 53555, 64266, 74977, 85688, 107110, 128532, 149954, 160665, 171376, 214220, 224931, 257064, 299908, 321330, 342752, 374885, 428440, 449862, 514128, 599816, 642660, 685504, 749770, 856880, 899724, 1028256, 1124655, 1199632, 1285320, 1499540, 1713760, 1799448, 2056512, 2249310, 2399264, 2570640, 2999080, 3427520, 3598896, 4498620, 4798528, 5141280, 5998160, 7197792, 8997240, 10282560, 11996320, 14395584, 17994480, 23992640, 35988960, 71977920]

約数ペア:

[(1, 71977920), (2, 35988960), (3, 23992640), (4, 17994480), (5, 14395584), (6, 11996320), (7, 10282560), (8, 8997240), (10, 7197792), (12, 5998160), (14, 5141280), (15, 4798528), (16, 4498620), (20, 3598896), (21, 3427520), (24, 2999080), (28, 2570640), (30, 2399264), (32, 2249310), (35, 2056512), (40, 1799448), (42, 1713760), (48, 1499540), (56, 1285320), (60, 1199632), (64, 1124655), (70, 1028256), (80, 899724), (84, 856880), (96, 749770), (105, 685504), (112, 642660), (120, 599816), (140, 514128), (160, 449862), (168, 428440), (192, 374885), (210, 342752), (224, 321330), (240, 299908), (280, 257064), (320, 224931), (336, 214220), (420, 171376), (448, 160665), (480, 149954), (560, 128532), (672, 107110), (840, 85688), (960, 74977), (1120, 64266), (1344, 53555), (1680, 42844), (2240, 32133), (3360, 21422), (6720, 10711)]