281264640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 160

約数和(自身を含む): 917459136

約数和(自身を除く): 636194496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 512, 530, 636, 640, 691, 768, 795, 848, 960, 1060, 1272, 1280, 1382, 1536, 1590, 1696, 1920, 2073, 2120, 2544, 2560, 2764, 3180, 3392, 3455, 3840, 4146, 4240, 5088, 5528, 6360, 6784, 6910, 7680, 8292, 8480, 10176, 10365, 11056, 12720, 13568, 13820, 16584, 16960, 20352, 20730, 22112, 25440, 27136, 27640, 33168, 33920, 36623, 40704, 41460, 44224, 50880, 55280, 66336, 67840, 73246, 81408, 82920, 88448, 101760, 109869, 110560, 132672, 135680, 146492, 165840, 176896, 183115, 203520, 219738, 221120, 265344, 292984, 331680, 353792, 366230, 407040, 439476, 442240, 530688, 549345, 585968, 663360, 732460, 878952, 884480, 1061376, 1098690, 1171936, 1326720, 1464920, 1757904, 1768960, 2197380, 2343872, 2653440, 2929840, 3515808, 4394760, 4687744, 5306880, 5859680, 7031616, 8789520, 9375488, 11719360, 14063232, 17579040, 18750976, 23438720, 28126464, 35158080, 46877440, 56252928, 70316160, 93754880, 140632320, 281264640]

約数ペア:

[(1, 281264640), (2, 140632320), (3, 93754880), (4, 70316160), (5, 56252928), (6, 46877440), (8, 35158080), (10, 28126464), (12, 23438720), (15, 18750976), (16, 17579040), (20, 14063232), (24, 11719360), (30, 9375488), (32, 8789520), (40, 7031616), (48, 5859680), (53, 5306880), (60, 4687744), (64, 4394760), (80, 3515808), (96, 2929840), (106, 2653440), (120, 2343872), (128, 2197380), (159, 1768960), (160, 1757904), (192, 1464920), (212, 1326720), (240, 1171936), (256, 1098690), (265, 1061376), (318, 884480), (320, 878952), (384, 732460), (424, 663360), (480, 585968), (512, 549345), (530, 530688), (636, 442240), (640, 439476), (691, 407040), (768, 366230), (795, 353792), (848, 331680), (960, 292984), (1060, 265344), (1272, 221120), (1280, 219738), (1382, 203520), (1536, 183115), (1590, 176896), (1696, 165840), (1920, 146492), (2073, 135680), (2120, 132672), (2544, 110560), (2560, 109869), (2764, 101760), (3180, 88448), (3392, 82920), (3455, 81408), (3840, 73246), (4146, 67840), (4240, 66336), (5088, 55280), (5528, 50880), (6360, 44224), (6784, 41460), (6910, 40704), (7680, 36623), (8292, 33920), (8480, 33168), (10176, 27640), (10365, 27136), (11056, 25440), (12720, 22112), (13568, 20730), (13820, 20352), (16584, 16960)]