40488960

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{659}}^1$

素因数の和:691

約数の個数: 104

約数和(自身を含む): 129745440

約数和(自身を除く): 89256480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 659, 768, 960, 1024, 1280, 1318, 1536, 1920, 1977, 2048, 2560, 2636, 3072, 3295, 3840, 3954, 4096, 5120, 5272, 6144, 6590, 7680, 7908, 9885, 10240, 10544, 12288, 13180, 15360, 15816, 19770, 20480, 21088, 26360, 30720, 31632, 39540, 42176, 52720, 61440, 63264, 79080, 84352, 105440, 126528, 158160, 168704, 210880, 253056, 316320, 337408, 421760, 506112, 632640, 674816, 843520, 1012224, 1265280, 1349632, 1687040, 2024448, 2530560, 2699264, 3374080, 4048896, 5061120, 6748160, 8097792, 10122240, 13496320, 20244480, 40488960]

約数ペア:

[(1, 40488960), (2, 20244480), (3, 13496320), (4, 10122240), (5, 8097792), (6, 6748160), (8, 5061120), (10, 4048896), (12, 3374080), (15, 2699264), (16, 2530560), (20, 2024448), (24, 1687040), (30, 1349632), (32, 1265280), (40, 1012224), (48, 843520), (60, 674816), (64, 632640), (80, 506112), (96, 421760), (120, 337408), (128, 316320), (160, 253056), (192, 210880), (240, 168704), (256, 158160), (320, 126528), (384, 105440), (480, 84352), (512, 79080), (640, 63264), (659, 61440), (768, 52720), (960, 42176), (1024, 39540), (1280, 31632), (1318, 30720), (1536, 26360), (1920, 21088), (1977, 20480), (2048, 19770), (2560, 15816), (2636, 15360), (3072, 13180), (3295, 12288), (3840, 10544), (3954, 10240), (4096, 9885), (5120, 7908), (5272, 7680), (6144, 6590)]