81059580

素因数分解:

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

素因数の和:64355

約数の個数: 72

約数和(自身を含む): 281010912

約数和(自身を除く): 199951332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64333, 128666, 192999, 257332, 321665, 385998, 450331, 578997, 643330, 771996, 900662, 964995, 1157994, 1286660, 1350993, 1801324, 1929990, 2251655, 2315988, 2701986, 2894985, 3859980, 4052979, 4503310, 5403972, 5789970, 6754965, 8105958, 9006620, 11579940, 13509930, 16211916, 20264895, 27019860, 40529790, 81059580]

約数ペア:

[(1, 81059580), (2, 40529790), (3, 27019860), (4, 20264895), (5, 16211916), (6, 13509930), (7, 11579940), (9, 9006620), (10, 8105958), (12, 6754965), (14, 5789970), (15, 5403972), (18, 4503310), (20, 4052979), (21, 3859980), (28, 2894985), (30, 2701986), (35, 2315988), (36, 2251655), (42, 1929990), (45, 1801324), (60, 1350993), (63, 1286660), (70, 1157994), (84, 964995), (90, 900662), (105, 771996), (126, 643330), (140, 578997), (180, 450331), (210, 385998), (252, 321665), (315, 257332), (420, 192999), (630, 128666), (1260, 64333)]