217397760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28307}}^1$

素因数の和:28333

約数の個数: 80

約数和(自身を含む): 695018016

約数和(自身を除く): 477620256

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, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 28307, 56614, 84921, 113228, 141535, 169842, 226456, 283070, 339684, 424605, 452912, 566140, 679368, 849210, 905824, 1132280, 1358736, 1698420, 1811648, 2264560, 2717472, 3396840, 3623296, 4529120, 5434944, 6793680, 7246592, 9058240, 10869888, 13587360, 14493184, 18116480, 21739776, 27174720, 36232960, 43479552, 54349440, 72465920, 108698880, 217397760]

約数ペア:

[(1, 217397760), (2, 108698880), (3, 72465920), (4, 54349440), (5, 43479552), (6, 36232960), (8, 27174720), (10, 21739776), (12, 18116480), (15, 14493184), (16, 13587360), (20, 10869888), (24, 9058240), (30, 7246592), (32, 6793680), (40, 5434944), (48, 4529120), (60, 3623296), (64, 3396840), (80, 2717472), (96, 2264560), (120, 1811648), (128, 1698420), (160, 1358736), (192, 1132280), (240, 905824), (256, 849210), (320, 679368), (384, 566140), (480, 452912), (512, 424605), (640, 339684), (768, 283070), (960, 226456), (1280, 169842), (1536, 141535), (1920, 113228), (2560, 84921), (3840, 56614), (7680, 28307)]