28537020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 92619072

約数和(自身を除く): 64082052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 113, 115, 122, 138, 180, 183, 207, 226, 230, 244, 276, 305, 339, 345, 366, 414, 452, 460, 549, 565, 610, 678, 690, 732, 828, 915, 1017, 1035, 1098, 1130, 1220, 1356, 1380, 1403, 1695, 1830, 2034, 2070, 2196, 2260, 2599, 2745, 2806, 3390, 3660, 4068, 4140, 4209, 5085, 5198, 5490, 5612, 6780, 6893, 7015, 7797, 8418, 10170, 10396, 10980, 12627, 12995, 13786, 14030, 15594, 16836, 20340, 20679, 21045, 23391, 25254, 25990, 27572, 28060, 31188, 34465, 38985, 41358, 42090, 46782, 50508, 51980, 62037, 63135, 68930, 77970, 82716, 84180, 93564, 103395, 116955, 124074, 126270, 137860, 155940, 158539, 206790, 233910, 248148, 252540, 310185, 317078, 413580, 467820, 475617, 620370, 634156, 792695, 951234, 1240740, 1426851, 1585390, 1902468, 2378085, 2853702, 3170780, 4756170, 5707404, 7134255, 9512340, 14268510, 28537020]

約数ペア:

[(1, 28537020), (2, 14268510), (3, 9512340), (4, 7134255), (5, 5707404), (6, 4756170), (9, 3170780), (10, 2853702), (12, 2378085), (15, 1902468), (18, 1585390), (20, 1426851), (23, 1240740), (30, 951234), (36, 792695), (45, 634156), (46, 620370), (60, 475617), (61, 467820), (69, 413580), (90, 317078), (92, 310185), (113, 252540), (115, 248148), (122, 233910), (138, 206790), (180, 158539), (183, 155940), (207, 137860), (226, 126270), (230, 124074), (244, 116955), (276, 103395), (305, 93564), (339, 84180), (345, 82716), (366, 77970), (414, 68930), (452, 63135), (460, 62037), (549, 51980), (565, 50508), (610, 46782), (678, 42090), (690, 41358), (732, 38985), (828, 34465), (915, 31188), (1017, 28060), (1035, 27572), (1098, 25990), (1130, 25254), (1220, 23391), (1356, 21045), (1380, 20679), (1403, 20340), (1695, 16836), (1830, 15594), (2034, 14030), (2070, 13786), (2196, 12995), (2260, 12627), (2599, 10980), (2745, 10396), (2806, 10170), (3390, 8418), (3660, 7797), (4068, 7015), (4140, 6893), (4209, 6780), (5085, 5612), (5198, 5490)]