389598720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{7247}}^1$

素因数の和:7280

約数の個数: 160

約数和(自身を含む): 1423623168

約数和(自身を除く): 1034024448

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, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7247, 7680, 8960, 10752, 13440, 14494, 17920, 21741, 26880, 28988, 36235, 43482, 50729, 53760, 57976, 72470, 86964, 101458, 108705, 115952, 144940, 152187, 173928, 202916, 217410, 231904, 253645, 289880, 304374, 347856, 405832, 434820, 463808, 507290, 579760, 608748, 695712, 760935, 811664, 869640, 927616, 1014580, 1159520, 1217496, 1391424, 1521870, 1623328, 1739280, 1855232, 2029160, 2319040, 2434992, 2782848, 3043740, 3246656, 3478560, 3710464, 4058320, 4638080, 4869984, 5565696, 6087480, 6493312, 6957120, 8116640, 9276160, 9739968, 11131392, 12174960, 12986624, 13914240, 16233280, 18552320, 19479936, 24349920, 25973248, 27828480, 32466560, 38959872, 48699840, 55656960, 64933120, 77919744, 97399680, 129866240, 194799360, 389598720]

約数ペア:

[(1, 389598720), (2, 194799360), (3, 129866240), (4, 97399680), (5, 77919744), (6, 64933120), (7, 55656960), (8, 48699840), (10, 38959872), (12, 32466560), (14, 27828480), (15, 25973248), (16, 24349920), (20, 19479936), (21, 18552320), (24, 16233280), (28, 13914240), (30, 12986624), (32, 12174960), (35, 11131392), (40, 9739968), (42, 9276160), (48, 8116640), (56, 6957120), (60, 6493312), (64, 6087480), (70, 5565696), (80, 4869984), (84, 4638080), (96, 4058320), (105, 3710464), (112, 3478560), (120, 3246656), (128, 3043740), (140, 2782848), (160, 2434992), (168, 2319040), (192, 2029160), (210, 1855232), (224, 1739280), (240, 1623328), (256, 1521870), (280, 1391424), (320, 1217496), (336, 1159520), (384, 1014580), (420, 927616), (448, 869640), (480, 811664), (512, 760935), (560, 695712), (640, 608748), (672, 579760), (768, 507290), (840, 463808), (896, 434820), (960, 405832), (1120, 347856), (1280, 304374), (1344, 289880), (1536, 253645), (1680, 231904), (1792, 217410), (1920, 202916), (2240, 173928), (2560, 152187), (2688, 144940), (3360, 115952), (3584, 108705), (3840, 101458), (4480, 86964), (5376, 72470), (6720, 57976), (7247, 53760), (7680, 50729), (8960, 43482), (10752, 36235), (13440, 28988), (14494, 26880), (17920, 21741)]