209195520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{27239}}^1$

素因数の和:27265

約数の個数: 80

約数和(自身を含む): 668796480

約数和(自身を除く): 459600960

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, 27239, 54478, 81717, 108956, 136195, 163434, 217912, 272390, 326868, 408585, 435824, 544780, 653736, 817170, 871648, 1089560, 1307472, 1634340, 1743296, 2179120, 2614944, 3268680, 3486592, 4358240, 5229888, 6537360, 6973184, 8716480, 10459776, 13074720, 13946368, 17432960, 20919552, 26149440, 34865920, 41839104, 52298880, 69731840, 104597760, 209195520]

約数ペア:

[(1, 209195520), (2, 104597760), (3, 69731840), (4, 52298880), (5, 41839104), (6, 34865920), (8, 26149440), (10, 20919552), (12, 17432960), (15, 13946368), (16, 13074720), (20, 10459776), (24, 8716480), (30, 6973184), (32, 6537360), (40, 5229888), (48, 4358240), (60, 3486592), (64, 3268680), (80, 2614944), (96, 2179120), (120, 1743296), (128, 1634340), (160, 1307472), (192, 1089560), (240, 871648), (256, 817170), (320, 653736), (384, 544780), (480, 435824), (512, 408585), (640, 326868), (768, 272390), (960, 217912), (1280, 163434), (1536, 136195), (1920, 108956), (2560, 81717), (3840, 54478), (7680, 27239)]