1238037720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{542999}}^1$

素因数の和:543032

約数の個数: 64

約数和(自身を含む): 3909600000

約数和(自身を除く): 2671562280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 542999, 1085998, 1628997, 2171996, 2714995, 3257994, 4343992, 5429990, 6515988, 8144985, 10316981, 10859980, 13031976, 16289970, 20633962, 21719960, 30950943, 32579940, 41267924, 51584905, 61901886, 65159880, 82535848, 103169810, 123803772, 154754715, 206339620, 247607544, 309509430, 412679240, 619018860, 1238037720]

約数ペア:

[(1, 1238037720), (2, 619018860), (3, 412679240), (4, 309509430), (5, 247607544), (6, 206339620), (8, 154754715), (10, 123803772), (12, 103169810), (15, 82535848), (19, 65159880), (20, 61901886), (24, 51584905), (30, 41267924), (38, 32579940), (40, 30950943), (57, 21719960), (60, 20633962), (76, 16289970), (95, 13031976), (114, 10859980), (120, 10316981), (152, 8144985), (190, 6515988), (228, 5429990), (285, 4343992), (380, 3257994), (456, 2714995), (570, 2171996), (760, 1628997), (1140, 1085998), (2280, 542999)]