18025280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:656

約数の個数: 112

約数和(自身を含む): 52913280

約数和(自身を除く): 34888000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 619, 728, 832, 910, 1040, 1120, 1238, 1456, 1820, 2080, 2240, 2476, 2912, 3095, 3640, 4160, 4333, 4952, 5824, 6190, 7280, 8047, 8666, 9904, 12380, 14560, 16094, 17332, 19808, 21665, 24760, 29120, 32188, 34664, 39616, 40235, 43330, 49520, 56329, 64376, 69328, 80470, 86660, 99040, 112658, 128752, 138656, 160940, 173320, 198080, 225316, 257504, 277312, 281645, 321880, 346640, 450632, 515008, 563290, 643760, 693280, 901264, 1126580, 1287520, 1386560, 1802528, 2253160, 2575040, 3605056, 4506320, 9012640, 18025280]

約数ペア:

[(1, 18025280), (2, 9012640), (4, 4506320), (5, 3605056), (7, 2575040), (8, 2253160), (10, 1802528), (13, 1386560), (14, 1287520), (16, 1126580), (20, 901264), (26, 693280), (28, 643760), (32, 563290), (35, 515008), (40, 450632), (52, 346640), (56, 321880), (64, 281645), (65, 277312), (70, 257504), (80, 225316), (91, 198080), (104, 173320), (112, 160940), (130, 138656), (140, 128752), (160, 112658), (182, 99040), (208, 86660), (224, 80470), (260, 69328), (280, 64376), (320, 56329), (364, 49520), (416, 43330), (448, 40235), (455, 39616), (520, 34664), (560, 32188), (619, 29120), (728, 24760), (832, 21665), (910, 19808), (1040, 17332), (1120, 16094), (1238, 14560), (1456, 12380), (1820, 9904), (2080, 8666), (2240, 8047), (2476, 7280), (2912, 6190), (3095, 5824), (3640, 4952), (4160, 4333)]