61720380

素因数分解:

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

素因数の和:1281

約数の個数: 120

約数和(自身を含む): 200027520

約数和(自身を除く): 138307140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1229, 1395, 1620, 1674, 1860, 2458, 2511, 2790, 3348, 3687, 4185, 4916, 5022, 5580, 6145, 7374, 8370, 10044, 11061, 12290, 12555, 14748, 16740, 18435, 22122, 24580, 25110, 33183, 36870, 38099, 44244, 50220, 55305, 66366, 73740, 76198, 99549, 110610, 114297, 132732, 152396, 165915, 190495, 199098, 221220, 228594, 331830, 342891, 380990, 398196, 457188, 497745, 571485, 663660, 685782, 761980, 995490, 1028673, 1142970, 1371564, 1714455, 1990980, 2057346, 2285940, 3086019, 3428910, 4114692, 5143365, 6172038, 6857820, 10286730, 12344076, 15430095, 20573460, 30860190, 61720380]

約数ペア:

[(1, 61720380), (2, 30860190), (3, 20573460), (4, 15430095), (5, 12344076), (6, 10286730), (9, 6857820), (10, 6172038), (12, 5143365), (15, 4114692), (18, 3428910), (20, 3086019), (27, 2285940), (30, 2057346), (31, 1990980), (36, 1714455), (45, 1371564), (54, 1142970), (60, 1028673), (62, 995490), (81, 761980), (90, 685782), (93, 663660), (108, 571485), (124, 497745), (135, 457188), (155, 398196), (162, 380990), (180, 342891), (186, 331830), (270, 228594), (279, 221220), (310, 199098), (324, 190495), (372, 165915), (405, 152396), (465, 132732), (540, 114297), (558, 110610), (620, 99549), (810, 76198), (837, 73740), (930, 66366), (1116, 55305), (1229, 50220), (1395, 44244), (1620, 38099), (1674, 36870), (1860, 33183), (2458, 25110), (2511, 24580), (2790, 22122), (3348, 18435), (3687, 16740), (4185, 14748), (4916, 12555), (5022, 12290), (5580, 11061), (6145, 10044), (7374, 8370)]