212320640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 588107520

約数和(自身を除く): 375786880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 280, 320, 332, 415, 448, 560, 571, 581, 640, 664, 830, 896, 1120, 1142, 1162, 1328, 1660, 2240, 2284, 2324, 2656, 2855, 2905, 3320, 3997, 4480, 4568, 4648, 5312, 5710, 5810, 6640, 7994, 9136, 9296, 10624, 11420, 11620, 13280, 15988, 18272, 18592, 19985, 22840, 23240, 26560, 31976, 36544, 37184, 39970, 45680, 46480, 47393, 53120, 63952, 73088, 74368, 79940, 91360, 92960, 94786, 127904, 159880, 182720, 185920, 189572, 236965, 255808, 319760, 331751, 365440, 371840, 379144, 473930, 511616, 639520, 663502, 758288, 947860, 1279040, 1327004, 1516576, 1658755, 1895720, 2558080, 2654008, 3033152, 3317510, 3791440, 5308016, 6066304, 6635020, 7582880, 10616032, 13270040, 15165760, 21232064, 26540080, 30331520, 42464128, 53080160, 106160320, 212320640]

約数ペア:

[(1, 212320640), (2, 106160320), (4, 53080160), (5, 42464128), (7, 30331520), (8, 26540080), (10, 21232064), (14, 15165760), (16, 13270040), (20, 10616032), (28, 7582880), (32, 6635020), (35, 6066304), (40, 5308016), (56, 3791440), (64, 3317510), (70, 3033152), (80, 2654008), (83, 2558080), (112, 1895720), (128, 1658755), (140, 1516576), (160, 1327004), (166, 1279040), (224, 947860), (280, 758288), (320, 663502), (332, 639520), (415, 511616), (448, 473930), (560, 379144), (571, 371840), (581, 365440), (640, 331751), (664, 319760), (830, 255808), (896, 236965), (1120, 189572), (1142, 185920), (1162, 182720), (1328, 159880), (1660, 127904), (2240, 94786), (2284, 92960), (2324, 91360), (2656, 79940), (2855, 74368), (2905, 73088), (3320, 63952), (3997, 53120), (4480, 47393), (4568, 46480), (4648, 45680), (5312, 39970), (5710, 37184), (5810, 36544), (6640, 31976), (7994, 26560), (9136, 23240), (9296, 22840), (10624, 19985), (11420, 18592), (11620, 18272), (13280, 15988)]