681569460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26479}}^1$

素因数の和:26518

約数の個数: 144

約数和(自身を含む): 2428957440

約数和(自身を除く): 1747387980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740, 26479, 52958, 79437, 105916, 132395, 158874, 238311, 264790, 291269, 317748, 344227, 397185, 476622, 529580, 582538, 688454, 794370, 873807, 953244, 1032681, 1165076, 1191555, 1376908, 1456345, 1588740, 1721135, 1747614, 2065362, 2383110, 2621421, 2912690, 3098043, 3442270, 3495228, 3786497, 4130724, 4369035, 4766220, 5163405, 5242842, 5825380, 6196086, 6884540, 7572994, 8738070, 10326810, 10485684, 11359491, 12392172, 13107105, 15145988, 15490215, 17476140, 18932485, 20653620, 22718982, 26214210, 30980430, 34078473, 37864970, 45437964, 52428420, 56797455, 61960860, 68156946, 75729940, 113594910, 136313892, 170392365, 227189820, 340784730, 681569460]

約数ペア:

[(1, 681569460), (2, 340784730), (3, 227189820), (4, 170392365), (5, 136313892), (6, 113594910), (9, 75729940), (10, 68156946), (11, 61960860), (12, 56797455), (13, 52428420), (15, 45437964), (18, 37864970), (20, 34078473), (22, 30980430), (26, 26214210), (30, 22718982), (33, 20653620), (36, 18932485), (39, 17476140), (44, 15490215), (45, 15145988), (52, 13107105), (55, 12392172), (60, 11359491), (65, 10485684), (66, 10326810), (78, 8738070), (90, 7572994), (99, 6884540), (110, 6196086), (117, 5825380), (130, 5242842), (132, 5163405), (143, 4766220), (156, 4369035), (165, 4130724), (180, 3786497), (195, 3495228), (198, 3442270), (220, 3098043), (234, 2912690), (260, 2621421), (286, 2383110), (330, 2065362), (390, 1747614), (396, 1721135), (429, 1588740), (468, 1456345), (495, 1376908), (572, 1191555), (585, 1165076), (660, 1032681), (715, 953244), (780, 873807), (858, 794370), (990, 688454), (1170, 582538), (1287, 529580), (1430, 476622), (1716, 397185), (1980, 344227), (2145, 317748), (2340, 291269), (2574, 264790), (2860, 238311), (4290, 158874), (5148, 132395), (6435, 105916), (8580, 79437), (12870, 52958), (25740, 26479)]