782727680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1470

約数の個数: 160

約数和(自身を含む): 2215572480

約数和(自身を除く): 1432844800

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, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1409, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 2818, 3472, 3584, 3968, 4340, 4480, 4960, 5636, 6944, 7045, 7936, 8680, 8960, 9863, 9920, 11272, 13888, 14090, 15872, 17360, 17920, 19726, 19840, 22544, 27776, 28180, 34720, 39452, 39680, 43679, 45088, 49315, 55552, 56360, 69440, 78904, 79360, 87358, 90176, 98630, 111104, 112720, 138880, 157808, 174716, 180352, 197260, 218395, 225440, 277760, 305753, 315616, 349432, 360704, 394520, 436790, 450880, 555520, 611506, 631232, 698864, 721408, 789040, 873580, 901760, 1223012, 1262464, 1397728, 1528765, 1578080, 1747160, 1803520, 2446024, 2524928, 2795456, 3057530, 3156160, 3494320, 3607040, 4892048, 5049856, 5590912, 6115060, 6312320, 6988640, 9784096, 11181824, 12230120, 12624640, 13977280, 19568192, 22363648, 24460240, 25249280, 27954560, 39136384, 48920480, 55909120, 78272768, 97840960, 111818240, 156545536, 195681920, 391363840, 782727680]

約数ペア:

[(1, 782727680), (2, 391363840), (4, 195681920), (5, 156545536), (7, 111818240), (8, 97840960), (10, 78272768), (14, 55909120), (16, 48920480), (20, 39136384), (28, 27954560), (31, 25249280), (32, 24460240), (35, 22363648), (40, 19568192), (56, 13977280), (62, 12624640), (64, 12230120), (70, 11181824), (80, 9784096), (112, 6988640), (124, 6312320), (128, 6115060), (140, 5590912), (155, 5049856), (160, 4892048), (217, 3607040), (224, 3494320), (248, 3156160), (256, 3057530), (280, 2795456), (310, 2524928), (320, 2446024), (434, 1803520), (448, 1747160), (496, 1578080), (512, 1528765), (560, 1397728), (620, 1262464), (640, 1223012), (868, 901760), (896, 873580), (992, 789040), (1085, 721408), (1120, 698864), (1240, 631232), (1280, 611506), (1409, 555520), (1736, 450880), (1792, 436790), (1984, 394520), (2170, 360704), (2240, 349432), (2480, 315616), (2560, 305753), (2818, 277760), (3472, 225440), (3584, 218395), (3968, 197260), (4340, 180352), (4480, 174716), (4960, 157808), (5636, 138880), (6944, 112720), (7045, 111104), (7936, 98630), (8680, 90176), (8960, 87358), (9863, 79360), (9920, 78904), (11272, 69440), (13888, 56360), (14090, 55552), (15872, 49315), (17360, 45088), (17920, 43679), (19726, 39680), (19840, 39452), (22544, 34720), (27776, 28180)]