90480320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1358

約数の個数: 112

約数和(自身を含む): 254373888

約数和(自身を除く): 163893568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1303, 1736, 1984, 2170, 2240, 2480, 2606, 3472, 4340, 4960, 5212, 6515, 6944, 8680, 9121, 9920, 10424, 13030, 13888, 17360, 18242, 20848, 26060, 34720, 36484, 40393, 41696, 45605, 52120, 69440, 72968, 80786, 83392, 91210, 104240, 145936, 161572, 182420, 201965, 208480, 282751, 291872, 323144, 364840, 403930, 416960, 565502, 583744, 646288, 729680, 807860, 1131004, 1292576, 1413755, 1459360, 1615720, 2262008, 2585152, 2827510, 2918720, 3231440, 4524016, 5655020, 6462880, 9048032, 11310040, 12925760, 18096064, 22620080, 45240160, 90480320]

約数ペア:

[(1, 90480320), (2, 45240160), (4, 22620080), (5, 18096064), (7, 12925760), (8, 11310040), (10, 9048032), (14, 6462880), (16, 5655020), (20, 4524016), (28, 3231440), (31, 2918720), (32, 2827510), (35, 2585152), (40, 2262008), (56, 1615720), (62, 1459360), (64, 1413755), (70, 1292576), (80, 1131004), (112, 807860), (124, 729680), (140, 646288), (155, 583744), (160, 565502), (217, 416960), (224, 403930), (248, 364840), (280, 323144), (310, 291872), (320, 282751), (434, 208480), (448, 201965), (496, 182420), (560, 161572), (620, 145936), (868, 104240), (992, 91210), (1085, 83392), (1120, 80786), (1240, 72968), (1303, 69440), (1736, 52120), (1984, 45605), (2170, 41696), (2240, 40393), (2480, 36484), (2606, 34720), (3472, 26060), (4340, 20848), (4960, 18242), (5212, 17360), (6515, 13888), (6944, 13030), (8680, 10424), (9121, 9920)]