27431280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 120

約数和(自身を含む): 95172480

約数和(自身を除く): 67741200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1229, 1240, 1395, 1488, 1860, 2232, 2458, 2480, 2790, 3687, 3720, 4464, 4916, 5580, 6145, 7374, 7440, 9832, 11061, 11160, 12290, 14748, 18435, 19664, 22122, 22320, 24580, 29496, 36870, 38099, 44244, 49160, 55305, 58992, 73740, 76198, 88488, 98320, 110610, 114297, 147480, 152396, 176976, 190495, 221220, 228594, 294960, 304792, 342891, 380990, 442440, 457188, 571485, 609584, 685782, 761980, 884880, 914376, 1142970, 1371564, 1523960, 1714455, 1828752, 2285940, 2743128, 3047920, 3428910, 4571880, 5486256, 6857820, 9143760, 13715640, 27431280]

約数ペア:

[(1, 27431280), (2, 13715640), (3, 9143760), (4, 6857820), (5, 5486256), (6, 4571880), (8, 3428910), (9, 3047920), (10, 2743128), (12, 2285940), (15, 1828752), (16, 1714455), (18, 1523960), (20, 1371564), (24, 1142970), (30, 914376), (31, 884880), (36, 761980), (40, 685782), (45, 609584), (48, 571485), (60, 457188), (62, 442440), (72, 380990), (80, 342891), (90, 304792), (93, 294960), (120, 228594), (124, 221220), (144, 190495), (155, 176976), (180, 152396), (186, 147480), (240, 114297), (248, 110610), (279, 98320), (310, 88488), (360, 76198), (372, 73740), (465, 58992), (496, 55305), (558, 49160), (620, 44244), (720, 38099), (744, 36870), (930, 29496), (1116, 24580), (1229, 22320), (1240, 22122), (1395, 19664), (1488, 18435), (1860, 14748), (2232, 12290), (2458, 11160), (2480, 11061), (2790, 9832), (3687, 7440), (3720, 7374), (4464, 6145), (4916, 5580)]