681392640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 240

約数和(自身を含む): 2321538912

約数和(自身を除く): 1640146272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 289, 307, 320, 340, 384, 408, 480, 510, 512, 544, 578, 614, 640, 680, 768, 816, 867, 921, 960, 1020, 1088, 1156, 1228, 1280, 1360, 1445, 1535, 1536, 1632, 1734, 1842, 1920, 2040, 2176, 2312, 2456, 2560, 2720, 2890, 3070, 3264, 3468, 3684, 3840, 4080, 4335, 4352, 4605, 4624, 4912, 5219, 5440, 5780, 6140, 6528, 6936, 7368, 7680, 8160, 8670, 8704, 9210, 9248, 9824, 10438, 10880, 11560, 12280, 13056, 13872, 14736, 15657, 16320, 17340, 18420, 18496, 19648, 20876, 21760, 23120, 24560, 26095, 26112, 27744, 29472, 31314, 32640, 34680, 36840, 36992, 39296, 41752, 43520, 46240, 49120, 52190, 55488, 58944, 62628, 65280, 69360, 73680, 73984, 78285, 78592, 83504, 88723, 92480, 98240, 104380, 110976, 117888, 125256, 130560, 138720, 147360, 147968, 156570, 157184, 167008, 177446, 184960, 196480, 208760, 221952, 235776, 250512, 266169, 277440, 294720, 313140, 334016, 354892, 369920, 392960, 417520, 443615, 443904, 471552, 501024, 532338, 554880, 589440, 626280, 668032, 709784, 739840, 785920, 835040, 887230, 1002048, 1064676, 1109760, 1178880, 1252560, 1330845, 1336064, 1419568, 1670080, 1774460, 2004096, 2129352, 2219520, 2357760, 2505120, 2661690, 2672128, 2839136, 3340160, 3548920, 4008192, 4258704, 5010240, 5323380, 5678272, 6680320, 7097840, 8016384, 8517408, 10020480, 10646760, 11356544, 13360640, 14195680, 17034816, 20040960, 21293520, 22713088, 28391360, 34069632, 40081920, 42587040, 45426176, 56782720, 68139264, 85174080, 113565440, 136278528, 170348160, 227130880, 340696320, 681392640]

約数ペア:

[(1, 681392640), (2, 340696320), (3, 227130880), (4, 170348160), (5, 136278528), (6, 113565440), (8, 85174080), (10, 68139264), (12, 56782720), (15, 45426176), (16, 42587040), (17, 40081920), (20, 34069632), (24, 28391360), (30, 22713088), (32, 21293520), (34, 20040960), (40, 17034816), (48, 14195680), (51, 13360640), (60, 11356544), (64, 10646760), (68, 10020480), (80, 8517408), (85, 8016384), (96, 7097840), (102, 6680320), (120, 5678272), (128, 5323380), (136, 5010240), (160, 4258704), (170, 4008192), (192, 3548920), (204, 3340160), (240, 2839136), (255, 2672128), (256, 2661690), (272, 2505120), (289, 2357760), (307, 2219520), (320, 2129352), (340, 2004096), (384, 1774460), (408, 1670080), (480, 1419568), (510, 1336064), (512, 1330845), (544, 1252560), (578, 1178880), (614, 1109760), (640, 1064676), (680, 1002048), (768, 887230), (816, 835040), (867, 785920), (921, 739840), (960, 709784), (1020, 668032), (1088, 626280), (1156, 589440), (1228, 554880), (1280, 532338), (1360, 501024), (1445, 471552), (1535, 443904), (1536, 443615), (1632, 417520), (1734, 392960), (1842, 369920), (1920, 354892), (2040, 334016), (2176, 313140), (2312, 294720), (2456, 277440), (2560, 266169), (2720, 250512), (2890, 235776), (3070, 221952), (3264, 208760), (3468, 196480), (3684, 184960), (3840, 177446), (4080, 167008), (4335, 157184), (4352, 156570), (4605, 147968), (4624, 147360), (4912, 138720), (5219, 130560), (5440, 125256), (5780, 117888), (6140, 110976), (6528, 104380), (6936, 98240), (7368, 92480), (7680, 88723), (8160, 83504), (8670, 78592), (8704, 78285), (9210, 73984), (9248, 73680), (9824, 69360), (10438, 65280), (10880, 62628), (11560, 58944), (12280, 55488), (13056, 52190), (13872, 49120), (14736, 46240), (15657, 43520), (16320, 41752), (17340, 39296), (18420, 36992), (18496, 36840), (19648, 34680), (20876, 32640), (21760, 31314), (23120, 29472), (24560, 27744), (26095, 26112)]