128512860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:516

約数の個数: 192

約数和(自身を含む): 447068160

約数和(自身を除く): 318555300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 51, 60, 68, 70, 82, 84, 85, 102, 105, 119, 123, 140, 164, 170, 204, 205, 210, 238, 246, 255, 287, 340, 357, 410, 420, 439, 476, 492, 510, 574, 595, 615, 697, 714, 820, 861, 878, 1020, 1148, 1190, 1230, 1317, 1394, 1428, 1435, 1722, 1756, 1785, 2091, 2195, 2380, 2460, 2634, 2788, 2870, 3073, 3444, 3485, 3570, 4182, 4305, 4390, 4879, 5268, 5740, 6146, 6585, 6970, 7140, 7463, 8364, 8610, 8780, 9219, 9758, 10455, 12292, 13170, 13940, 14637, 14926, 15365, 17220, 17999, 18438, 19516, 20910, 22389, 24395, 26340, 29274, 29852, 30730, 35998, 36876, 37315, 41820, 44778, 46095, 48790, 52241, 53997, 58548, 61460, 71996, 73185, 74630, 89556, 89995, 92190, 97580, 104482, 107994, 111945, 125993, 146370, 149260, 156723, 179990, 184380, 208964, 215988, 223890, 251986, 261205, 269985, 292740, 305983, 313446, 359980, 377979, 447780, 503972, 522410, 539970, 611966, 626892, 629965, 755958, 783615, 917949, 1044820, 1079940, 1223932, 1259930, 1511916, 1529915, 1567230, 1835898, 1889895, 2141881, 2519860, 3059830, 3134460, 3671796, 3779790, 4283762, 4589745, 6119660, 6425643, 7559580, 8567524, 9179490, 10709405, 12851286, 18358980, 21418810, 25702572, 32128215, 42837620, 64256430, 128512860]

約数ペア:

[(1, 128512860), (2, 64256430), (3, 42837620), (4, 32128215), (5, 25702572), (6, 21418810), (7, 18358980), (10, 12851286), (12, 10709405), (14, 9179490), (15, 8567524), (17, 7559580), (20, 6425643), (21, 6119660), (28, 4589745), (30, 4283762), (34, 3779790), (35, 3671796), (41, 3134460), (42, 3059830), (51, 2519860), (60, 2141881), (68, 1889895), (70, 1835898), (82, 1567230), (84, 1529915), (85, 1511916), (102, 1259930), (105, 1223932), (119, 1079940), (123, 1044820), (140, 917949), (164, 783615), (170, 755958), (204, 629965), (205, 626892), (210, 611966), (238, 539970), (246, 522410), (255, 503972), (287, 447780), (340, 377979), (357, 359980), (410, 313446), (420, 305983), (439, 292740), (476, 269985), (492, 261205), (510, 251986), (574, 223890), (595, 215988), (615, 208964), (697, 184380), (714, 179990), (820, 156723), (861, 149260), (878, 146370), (1020, 125993), (1148, 111945), (1190, 107994), (1230, 104482), (1317, 97580), (1394, 92190), (1428, 89995), (1435, 89556), (1722, 74630), (1756, 73185), (1785, 71996), (2091, 61460), (2195, 58548), (2380, 53997), (2460, 52241), (2634, 48790), (2788, 46095), (2870, 44778), (3073, 41820), (3444, 37315), (3485, 36876), (3570, 35998), (4182, 30730), (4305, 29852), (4390, 29274), (4879, 26340), (5268, 24395), (5740, 22389), (6146, 20910), (6585, 19516), (6970, 18438), (7140, 17999), (7463, 17220), (8364, 15365), (8610, 14926), (8780, 14637), (9219, 13940), (9758, 13170), (10455, 12292)]