648476640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{64333}}^1$

素因数の和:64361

約数の個数: 144

約数和(自身を含む): 2529098208

約数和(自身を除く): 1880621568

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, 64333, 128666, 192999, 257332, 321665, 385998, 450331, 514664, 578997, 643330, 771996, 900662, 964995, 1029328, 1157994, 1286660, 1350993, 1543992, 1801324, 1929990, 2058656, 2251655, 2315988, 2573320, 2701986, 2894985, 3087984, 3602648, 3859980, 4052979, 4503310, 4631976, 5146640, 5403972, 5789970, 6175968, 6754965, 7205296, 7719960, 8105958, 9006620, 9263952, 10293280, 10807944, 11579940, 13509930, 14410592, 15439920, 16211916, 18013240, 18527904, 20264895, 21615888, 23159880, 27019860, 30879840, 32423832, 36026480, 40529790, 43231776, 46319760, 54039720, 64847664, 72052960, 81059580, 92639520, 108079440, 129695328, 162119160, 216158880, 324238320, 648476640]

約数ペア:

[(1, 648476640), (2, 324238320), (3, 216158880), (4, 162119160), (5, 129695328), (6, 108079440), (7, 92639520), (8, 81059580), (9, 72052960), (10, 64847664), (12, 54039720), (14, 46319760), (15, 43231776), (16, 40529790), (18, 36026480), (20, 32423832), (21, 30879840), (24, 27019860), (28, 23159880), (30, 21615888), (32, 20264895), (35, 18527904), (36, 18013240), (40, 16211916), (42, 15439920), (45, 14410592), (48, 13509930), (56, 11579940), (60, 10807944), (63, 10293280), (70, 9263952), (72, 9006620), (80, 8105958), (84, 7719960), (90, 7205296), (96, 6754965), (105, 6175968), (112, 5789970), (120, 5403972), (126, 5146640), (140, 4631976), (144, 4503310), (160, 4052979), (168, 3859980), (180, 3602648), (210, 3087984), (224, 2894985), (240, 2701986), (252, 2573320), (280, 2315988), (288, 2251655), (315, 2058656), (336, 1929990), (360, 1801324), (420, 1543992), (480, 1350993), (504, 1286660), (560, 1157994), (630, 1029328), (672, 964995), (720, 900662), (840, 771996), (1008, 643330), (1120, 578997), (1260, 514664), (1440, 450331), (1680, 385998), (2016, 321665), (2520, 257332), (3360, 192999), (5040, 128666), (10080, 64333)]