1242539820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{9341}}^1$

素因数の和:10095

約数の個数: 72

約数和(自身を含む): 3774541680

約数和(自身を除く): 2532001860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 1478, 2217, 2956, 3695, 4434, 6651, 7390, 8868, 9341, 11085, 13302, 14780, 18682, 22170, 26604, 28023, 33255, 37364, 44340, 46705, 56046, 66510, 84069, 93410, 112092, 133020, 140115, 168138, 186820, 280230, 336276, 420345, 560460, 840690, 1681380, 6902999, 13805998, 20708997, 27611996, 34514995, 41417994, 62126991, 69029990, 82835988, 103544985, 124253982, 138059980, 207089970, 248507964, 310634955, 414179940, 621269910, 1242539820]

約数ペア:

[(1, 1242539820), (2, 621269910), (3, 414179940), (4, 310634955), (5, 248507964), (6, 207089970), (9, 138059980), (10, 124253982), (12, 103544985), (15, 82835988), (18, 69029990), (20, 62126991), (30, 41417994), (36, 34514995), (45, 27611996), (60, 20708997), (90, 13805998), (180, 6902999), (739, 1681380), (1478, 840690), (2217, 560460), (2956, 420345), (3695, 336276), (4434, 280230), (6651, 186820), (7390, 168138), (8868, 140115), (9341, 133020), (11085, 112092), (13302, 93410), (14780, 84069), (18682, 66510), (22170, 56046), (26604, 46705), (28023, 44340), (33255, 37364)]