123880960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 160

約数和(自身を含む): 351977472

約数和(自身を除く): 228096512

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, 128, 140, 155, 160, 217, 223, 224, 248, 256, 280, 310, 320, 434, 446, 448, 496, 512, 560, 620, 640, 868, 892, 896, 992, 1085, 1115, 1120, 1240, 1280, 1561, 1736, 1784, 1792, 1984, 2170, 2230, 2240, 2480, 2560, 3122, 3472, 3568, 3584, 3968, 4340, 4460, 4480, 4960, 6244, 6913, 6944, 7136, 7805, 7936, 8680, 8920, 8960, 9920, 12488, 13826, 13888, 14272, 15610, 15872, 17360, 17840, 17920, 19840, 24976, 27652, 27776, 28544, 31220, 34565, 34720, 35680, 39680, 48391, 49952, 55304, 55552, 57088, 62440, 69130, 69440, 71360, 79360, 96782, 99904, 110608, 111104, 114176, 124880, 138260, 138880, 142720, 193564, 199808, 221216, 241955, 249760, 276520, 277760, 285440, 387128, 399616, 442432, 483910, 499520, 553040, 555520, 570880, 774256, 799232, 884864, 967820, 999040, 1106080, 1548512, 1769728, 1935640, 1998080, 2212160, 3097024, 3539456, 3871280, 3996160, 4424320, 6194048, 7742560, 8848640, 12388096, 15485120, 17697280, 24776192, 30970240, 61940480, 123880960]

約数ペア:

[(1, 123880960), (2, 61940480), (4, 30970240), (5, 24776192), (7, 17697280), (8, 15485120), (10, 12388096), (14, 8848640), (16, 7742560), (20, 6194048), (28, 4424320), (31, 3996160), (32, 3871280), (35, 3539456), (40, 3097024), (56, 2212160), (62, 1998080), (64, 1935640), (70, 1769728), (80, 1548512), (112, 1106080), (124, 999040), (128, 967820), (140, 884864), (155, 799232), (160, 774256), (217, 570880), (223, 555520), (224, 553040), (248, 499520), (256, 483910), (280, 442432), (310, 399616), (320, 387128), (434, 285440), (446, 277760), (448, 276520), (496, 249760), (512, 241955), (560, 221216), (620, 199808), (640, 193564), (868, 142720), (892, 138880), (896, 138260), (992, 124880), (1085, 114176), (1115, 111104), (1120, 110608), (1240, 99904), (1280, 96782), (1561, 79360), (1736, 71360), (1784, 69440), (1792, 69130), (1984, 62440), (2170, 57088), (2230, 55552), (2240, 55304), (2480, 49952), (2560, 48391), (3122, 39680), (3472, 35680), (3568, 34720), (3584, 34565), (3968, 31220), (4340, 28544), (4460, 27776), (4480, 27652), (4960, 24976), (6244, 19840), (6913, 17920), (6944, 17840), (7136, 17360), (7805, 15872), (7936, 15610), (8680, 14272), (8920, 13888), (8960, 13826), (9920, 12488)]