387507680

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 1117670400

約数和(自身を除く): 730162720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 307, 322, 343, 368, 392, 460, 490, 560, 614, 644, 686, 736, 784, 805, 920, 980, 1120, 1127, 1228, 1288, 1372, 1535, 1568, 1610, 1715, 1840, 1960, 2149, 2254, 2456, 2576, 2744, 3070, 3220, 3430, 3680, 3920, 4298, 4508, 4912, 5152, 5488, 5635, 6140, 6440, 6860, 7061, 7840, 7889, 8596, 9016, 9824, 10745, 10976, 11270, 12280, 12880, 13720, 14122, 15043, 15778, 17192, 18032, 21490, 22540, 24560, 25760, 27440, 28244, 30086, 31556, 34384, 35305, 36064, 39445, 42980, 45080, 49120, 49427, 54880, 56488, 60172, 63112, 68768, 70610, 75215, 78890, 85960, 90160, 98854, 105301, 112976, 120344, 126224, 141220, 150430, 157780, 171920, 180320, 197708, 210602, 225952, 240688, 247135, 252448, 282440, 300860, 315560, 343840, 345989, 395416, 421204, 481376, 494270, 526505, 564880, 601720, 631120, 691978, 790832, 842408, 988540, 1053010, 1129760, 1203440, 1262240, 1383956, 1581664, 1684816, 1729945, 1977080, 2106020, 2406880, 2421923, 2767912, 3369632, 3459890, 3954160, 4212040, 4843846, 5535824, 6919780, 7908320, 8424080, 9687692, 11071648, 12109615, 13839560, 16848160, 19375384, 24219230, 27679120, 38750768, 48438460, 55358240, 77501536, 96876920, 193753840, 387507680]

約数ペア:

[(1, 387507680), (2, 193753840), (4, 96876920), (5, 77501536), (7, 55358240), (8, 48438460), (10, 38750768), (14, 27679120), (16, 24219230), (20, 19375384), (23, 16848160), (28, 13839560), (32, 12109615), (35, 11071648), (40, 9687692), (46, 8424080), (49, 7908320), (56, 6919780), (70, 5535824), (80, 4843846), (92, 4212040), (98, 3954160), (112, 3459890), (115, 3369632), (140, 2767912), (160, 2421923), (161, 2406880), (184, 2106020), (196, 1977080), (224, 1729945), (230, 1684816), (245, 1581664), (280, 1383956), (307, 1262240), (322, 1203440), (343, 1129760), (368, 1053010), (392, 988540), (460, 842408), (490, 790832), (560, 691978), (614, 631120), (644, 601720), (686, 564880), (736, 526505), (784, 494270), (805, 481376), (920, 421204), (980, 395416), (1120, 345989), (1127, 343840), (1228, 315560), (1288, 300860), (1372, 282440), (1535, 252448), (1568, 247135), (1610, 240688), (1715, 225952), (1840, 210602), (1960, 197708), (2149, 180320), (2254, 171920), (2456, 157780), (2576, 150430), (2744, 141220), (3070, 126224), (3220, 120344), (3430, 112976), (3680, 105301), (3920, 98854), (4298, 90160), (4508, 85960), (4912, 78890), (5152, 75215), (5488, 70610), (5635, 68768), (6140, 63112), (6440, 60172), (6860, 56488), (7061, 54880), (7840, 49427), (7889, 49120), (8596, 45080), (9016, 42980), (9824, 39445), (10745, 36064), (10976, 35305), (11270, 34384), (12280, 31556), (12880, 30086), (13720, 28244), (14122, 27440), (15043, 25760), (15778, 24560), (17192, 22540), (18032, 21490)]