131953920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{4909}}^1$

素因数の和:4940

約数の個数: 144

約数和(自身を含む): 481729920

約数和(自身を除く): 349776000

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, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 4909, 5376, 6720, 8960, 9818, 13440, 14727, 19636, 24545, 26880, 29454, 34363, 39272, 49090, 58908, 68726, 73635, 78544, 98180, 103089, 117816, 137452, 147270, 157088, 171815, 196360, 206178, 235632, 274904, 294540, 314176, 343630, 392720, 412356, 471264, 515445, 549808, 589080, 628352, 687260, 785440, 824712, 942528, 1030890, 1099616, 1178160, 1256704, 1374520, 1570880, 1649424, 1885056, 2061780, 2199232, 2356320, 2749040, 3141760, 3298848, 3770112, 4123560, 4398464, 4712640, 5498080, 6283520, 6597696, 8247120, 8796928, 9425280, 10996160, 13195392, 16494240, 18850560, 21992320, 26390784, 32988480, 43984640, 65976960, 131953920]

約数ペア:

[(1, 131953920), (2, 65976960), (3, 43984640), (4, 32988480), (5, 26390784), (6, 21992320), (7, 18850560), (8, 16494240), (10, 13195392), (12, 10996160), (14, 9425280), (15, 8796928), (16, 8247120), (20, 6597696), (21, 6283520), (24, 5498080), (28, 4712640), (30, 4398464), (32, 4123560), (35, 3770112), (40, 3298848), (42, 3141760), (48, 2749040), (56, 2356320), (60, 2199232), (64, 2061780), (70, 1885056), (80, 1649424), (84, 1570880), (96, 1374520), (105, 1256704), (112, 1178160), (120, 1099616), (128, 1030890), (140, 942528), (160, 824712), (168, 785440), (192, 687260), (210, 628352), (224, 589080), (240, 549808), (256, 515445), (280, 471264), (320, 412356), (336, 392720), (384, 343630), (420, 314176), (448, 294540), (480, 274904), (560, 235632), (640, 206178), (672, 196360), (768, 171815), (840, 157088), (896, 147270), (960, 137452), (1120, 117816), (1280, 103089), (1344, 98180), (1680, 78544), (1792, 73635), (1920, 68726), (2240, 58908), (2688, 49090), (3360, 39272), (3840, 34363), (4480, 29454), (4909, 26880), (5376, 24545), (6720, 19636), (8960, 14727), (9818, 13440)]