1638419580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1300333}}^1$

素因数の和:1300355

約数の個数: 72

約数和(自身を含む): 5679858912

約数和(自身を除く): 4041439332

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, 1300333, 2600666, 3900999, 5201332, 6501665, 7801998, 9102331, 11702997, 13003330, 15603996, 18204662, 19504995, 23405994, 26006660, 27306993, 36409324, 39009990, 45511655, 46811988, 54613986, 58514985, 78019980, 81920979, 91023310, 109227972, 117029970, 136534965, 163841958, 182046620, 234059940, 273069930, 327683916, 409604895, 546139860, 819209790, 1638419580]

約数ペア:

[(1, 1638419580), (2, 819209790), (3, 546139860), (4, 409604895), (5, 327683916), (6, 273069930), (7, 234059940), (9, 182046620), (10, 163841958), (12, 136534965), (14, 117029970), (15, 109227972), (18, 91023310), (20, 81920979), (21, 78019980), (28, 58514985), (30, 54613986), (35, 46811988), (36, 45511655), (42, 39009990), (45, 36409324), (60, 27306993), (63, 26006660), (70, 23405994), (84, 19504995), (90, 18204662), (105, 15603996), (126, 13003330), (140, 11702997), (180, 9102331), (210, 7801998), (252, 6501665), (315, 5201332), (420, 3900999), (630, 2600666), (1260, 1300333)]