489047940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87643}}^1$

素因数の和:87689

約数の個数: 72

約数和(自身を含む): 1531315968

約数和(自身を除く): 1042268028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 87643, 175286, 262929, 350572, 438215, 525858, 788787, 876430, 1051716, 1314645, 1577574, 1752860, 2629290, 2716933, 3155148, 3943935, 5258580, 5433866, 7887870, 8150799, 10867732, 13584665, 15775740, 16301598, 24452397, 27169330, 32603196, 40753995, 48904794, 54338660, 81507990, 97809588, 122261985, 163015980, 244523970, 489047940]

約数ペア:

[(1, 489047940), (2, 244523970), (3, 163015980), (4, 122261985), (5, 97809588), (6, 81507990), (9, 54338660), (10, 48904794), (12, 40753995), (15, 32603196), (18, 27169330), (20, 24452397), (30, 16301598), (31, 15775740), (36, 13584665), (45, 10867732), (60, 8150799), (62, 7887870), (90, 5433866), (93, 5258580), (124, 3943935), (155, 3155148), (180, 2716933), (186, 2629290), (279, 1752860), (310, 1577574), (372, 1314645), (465, 1051716), (558, 876430), (620, 788787), (930, 525858), (1116, 438215), (1395, 350572), (1860, 262929), (2790, 175286), (5580, 87643)]