6999720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 25885440

約数和(自身を除く): 18885720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 641, 728, 780, 840, 910, 1092, 1282, 1365, 1560, 1820, 1923, 2184, 2564, 2730, 3205, 3640, 3846, 4487, 5128, 5460, 6410, 7692, 8333, 8974, 9615, 10920, 12820, 13461, 15384, 16666, 17948, 19230, 22435, 24999, 25640, 26922, 33332, 35896, 38460, 41665, 44870, 49998, 53844, 58331, 66664, 67305, 76920, 83330, 89740, 99996, 107688, 116662, 124995, 134610, 166660, 174993, 179480, 199992, 233324, 249990, 269220, 291655, 333320, 349986, 466648, 499980, 538440, 583310, 699972, 874965, 999960, 1166620, 1399944, 1749930, 2333240, 3499860, 6999720]

約数ペア:

[(1, 6999720), (2, 3499860), (3, 2333240), (4, 1749930), (5, 1399944), (6, 1166620), (7, 999960), (8, 874965), (10, 699972), (12, 583310), (13, 538440), (14, 499980), (15, 466648), (20, 349986), (21, 333320), (24, 291655), (26, 269220), (28, 249990), (30, 233324), (35, 199992), (39, 179480), (40, 174993), (42, 166660), (52, 134610), (56, 124995), (60, 116662), (65, 107688), (70, 99996), (78, 89740), (84, 83330), (91, 76920), (104, 67305), (105, 66664), (120, 58331), (130, 53844), (140, 49998), (156, 44870), (168, 41665), (182, 38460), (195, 35896), (210, 33332), (260, 26922), (273, 25640), (280, 24999), (312, 22435), (364, 19230), (390, 17948), (420, 16666), (455, 15384), (520, 13461), (546, 12820), (641, 10920), (728, 9615), (780, 8974), (840, 8333), (910, 7692), (1092, 6410), (1282, 5460), (1365, 5128), (1560, 4487), (1820, 3846), (1923, 3640), (2184, 3205), (2564, 2730)]