686558880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{68111}}^1$

素因数の和:68139

約数の個数: 144

約数和(自身を含む): 2677618944

約数和(自身を除く): 1991060064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 68111, 136222, 204333, 272444, 340555, 408666, 476777, 544888, 612999, 681110, 817332, 953554, 1021665, 1089776, 1225998, 1362220, 1430331, 1634664, 1907108, 2043330, 2179552, 2383885, 2451996, 2724440, 2860662, 3064995, 3269328, 3814216, 4086660, 4290993, 4767770, 4903992, 5448880, 5721324, 6129990, 6538656, 7151655, 7628432, 8173320, 8581986, 9535540, 9807984, 10897760, 11442648, 12259980, 14303310, 15256864, 16346640, 17163972, 19071080, 19615968, 21454965, 22885296, 24519960, 28606620, 32693280, 34327944, 38142160, 42909930, 45770592, 49039920, 57213240, 68655888, 76284320, 85819860, 98079840, 114426480, 137311776, 171639720, 228852960, 343279440, 686558880]

約数ペア:

[(1, 686558880), (2, 343279440), (3, 228852960), (4, 171639720), (5, 137311776), (6, 114426480), (7, 98079840), (8, 85819860), (9, 76284320), (10, 68655888), (12, 57213240), (14, 49039920), (15, 45770592), (16, 42909930), (18, 38142160), (20, 34327944), (21, 32693280), (24, 28606620), (28, 24519960), (30, 22885296), (32, 21454965), (35, 19615968), (36, 19071080), (40, 17163972), (42, 16346640), (45, 15256864), (48, 14303310), (56, 12259980), (60, 11442648), (63, 10897760), (70, 9807984), (72, 9535540), (80, 8581986), (84, 8173320), (90, 7628432), (96, 7151655), (105, 6538656), (112, 6129990), (120, 5721324), (126, 5448880), (140, 4903992), (144, 4767770), (160, 4290993), (168, 4086660), (180, 3814216), (210, 3269328), (224, 3064995), (240, 2860662), (252, 2724440), (280, 2451996), (288, 2383885), (315, 2179552), (336, 2043330), (360, 1907108), (420, 1634664), (480, 1430331), (504, 1362220), (560, 1225998), (630, 1089776), (672, 1021665), (720, 953554), (840, 817332), (1008, 681110), (1120, 612999), (1260, 544888), (1440, 476777), (1680, 408666), (2016, 340555), (2520, 272444), (3360, 204333), (5040, 136222), (10080, 68111)]