320897920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 128

約数和(自身を含む): 888330240

約数和(自身を除く): 567432320

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, 581, 640, 664, 830, 863, 896, 1120, 1162, 1328, 1660, 1726, 2240, 2324, 2656, 2905, 3320, 3452, 4315, 4480, 4648, 5312, 5810, 6041, 6640, 6904, 8630, 9296, 10624, 11620, 12082, 13280, 13808, 17260, 18592, 23240, 24164, 26560, 27616, 30205, 34520, 37184, 46480, 48328, 53120, 55232, 60410, 69040, 71629, 74368, 92960, 96656, 110464, 120820, 138080, 143258, 185920, 193312, 241640, 276160, 286516, 358145, 371840, 386624, 483280, 501403, 552320, 573032, 716290, 773248, 966560, 1002806, 1146064, 1432580, 1933120, 2005612, 2292128, 2507015, 2865160, 3866240, 4011224, 4584256, 5014030, 5730320, 8022448, 9168512, 10028060, 11460640, 16044896, 20056120, 22921280, 32089792, 40112240, 45842560, 64179584, 80224480, 160448960, 320897920]

約数ペア:

[(1, 320897920), (2, 160448960), (4, 80224480), (5, 64179584), (7, 45842560), (8, 40112240), (10, 32089792), (14, 22921280), (16, 20056120), (20, 16044896), (28, 11460640), (32, 10028060), (35, 9168512), (40, 8022448), (56, 5730320), (64, 5014030), (70, 4584256), (80, 4011224), (83, 3866240), (112, 2865160), (128, 2507015), (140, 2292128), (160, 2005612), (166, 1933120), (224, 1432580), (280, 1146064), (320, 1002806), (332, 966560), (415, 773248), (448, 716290), (560, 573032), (581, 552320), (640, 501403), (664, 483280), (830, 386624), (863, 371840), (896, 358145), (1120, 286516), (1162, 276160), (1328, 241640), (1660, 193312), (1726, 185920), (2240, 143258), (2324, 138080), (2656, 120820), (2905, 110464), (3320, 96656), (3452, 92960), (4315, 74368), (4480, 71629), (4648, 69040), (5312, 60410), (5810, 55232), (6041, 53120), (6640, 48328), (6904, 46480), (8630, 37184), (9296, 34520), (10624, 30205), (11620, 27616), (12082, 26560), (13280, 24164), (13808, 23240), (17260, 18592)]