131365620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 426142080

約数和(自身を除く): 294776460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 380, 426, 541, 570, 639, 684, 710, 852, 855, 1065, 1082, 1140, 1278, 1349, 1420, 1623, 1710, 2130, 2164, 2556, 2698, 2705, 3195, 3246, 3420, 4047, 4260, 4869, 5396, 5410, 6390, 6492, 6745, 8094, 8115, 9738, 10279, 10820, 12141, 12780, 13490, 16188, 16230, 19476, 20235, 20558, 24282, 24345, 26980, 30837, 32460, 38411, 40470, 41116, 48564, 48690, 51395, 60705, 61674, 76822, 80940, 92511, 97380, 102790, 115233, 121410, 123348, 153644, 154185, 185022, 192055, 205580, 230466, 242820, 308370, 345699, 370044, 384110, 460932, 462555, 576165, 616740, 691398, 729809, 768220, 925110, 1152330, 1382796, 1459618, 1728495, 1850220, 2189427, 2304660, 2919236, 3456990, 3649045, 4378854, 6568281, 6913980, 7298090, 8757708, 10947135, 13136562, 14596180, 21894270, 26273124, 32841405, 43788540, 65682810, 131365620]

約数ペア:

[(1, 131365620), (2, 65682810), (3, 43788540), (4, 32841405), (5, 26273124), (6, 21894270), (9, 14596180), (10, 13136562), (12, 10947135), (15, 8757708), (18, 7298090), (19, 6913980), (20, 6568281), (30, 4378854), (36, 3649045), (38, 3456990), (45, 2919236), (57, 2304660), (60, 2189427), (71, 1850220), (76, 1728495), (90, 1459618), (95, 1382796), (114, 1152330), (142, 925110), (171, 768220), (180, 729809), (190, 691398), (213, 616740), (228, 576165), (284, 462555), (285, 460932), (342, 384110), (355, 370044), (380, 345699), (426, 308370), (541, 242820), (570, 230466), (639, 205580), (684, 192055), (710, 185022), (852, 154185), (855, 153644), (1065, 123348), (1082, 121410), (1140, 115233), (1278, 102790), (1349, 97380), (1420, 92511), (1623, 80940), (1710, 76822), (2130, 61674), (2164, 60705), (2556, 51395), (2698, 48690), (2705, 48564), (3195, 41116), (3246, 40470), (3420, 38411), (4047, 32460), (4260, 30837), (4869, 26980), (5396, 24345), (5410, 24282), (6390, 20558), (6492, 20235), (6745, 19476), (8094, 16230), (8115, 16188), (9738, 13490), (10279, 12780), (10820, 12141)]