1728159720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2057333}}^1$

素因数の和:2057354

約数の個数: 64

約数和(自身を含む): 5925121920

約数和(自身を除く): 4196962200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2057333, 4114666, 6171999, 8229332, 10286665, 12343998, 14401331, 16458664, 20573330, 24687996, 28802662, 30859995, 41146660, 43203993, 49375992, 57605324, 61719990, 72006655, 82293320, 86407986, 115210648, 123439980, 144013310, 172815972, 216019965, 246879960, 288026620, 345631944, 432039930, 576053240, 864079860, 1728159720]

約数ペア:

[(1, 1728159720), (2, 864079860), (3, 576053240), (4, 432039930), (5, 345631944), (6, 288026620), (7, 246879960), (8, 216019965), (10, 172815972), (12, 144013310), (14, 123439980), (15, 115210648), (20, 86407986), (21, 82293320), (24, 72006655), (28, 61719990), (30, 57605324), (35, 49375992), (40, 43203993), (42, 41146660), (56, 30859995), (60, 28802662), (70, 24687996), (84, 20573330), (105, 16458664), (120, 14401331), (140, 12343998), (168, 10286665), (210, 8229332), (280, 6171999), (420, 4114666), (840, 2057333)]