1997927680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7252

約数の個数: 144

約数和(自身を含む): 5646541824

約数和(自身を除く): 3648614144

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, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 7193, 7936, 8680, 8960, 9920, 13888, 14386, 17360, 19840, 27776, 28772, 34720, 35965, 39680, 50351, 55552, 57544, 69440, 71930, 100702, 115088, 138880, 143860, 201404, 222983, 230176, 251755, 277760, 287720, 402808, 445966, 460352, 503510, 575440, 805616, 891932, 920704, 1007020, 1114915, 1150880, 1560881, 1611232, 1783864, 1841408, 2014040, 2229830, 2301760, 3121762, 3222464, 3567728, 4028080, 4459660, 4603520, 6243524, 6444928, 7135456, 7804405, 8056160, 8919320, 9207040, 12487048, 12889856, 14270912, 15608810, 16112320, 17838640, 24974096, 28541824, 31217620, 32224640, 35677280, 49948192, 57083648, 62435240, 64449280, 71354560, 99896384, 124870480, 142709120, 199792768, 249740960, 285418240, 399585536, 499481920, 998963840, 1997927680]

約数ペア:

[(1, 1997927680), (2, 998963840), (4, 499481920), (5, 399585536), (7, 285418240), (8, 249740960), (10, 199792768), (14, 142709120), (16, 124870480), (20, 99896384), (28, 71354560), (31, 64449280), (32, 62435240), (35, 57083648), (40, 49948192), (56, 35677280), (62, 32224640), (64, 31217620), (70, 28541824), (80, 24974096), (112, 17838640), (124, 16112320), (128, 15608810), (140, 14270912), (155, 12889856), (160, 12487048), (217, 9207040), (224, 8919320), (248, 8056160), (256, 7804405), (280, 7135456), (310, 6444928), (320, 6243524), (434, 4603520), (448, 4459660), (496, 4028080), (560, 3567728), (620, 3222464), (640, 3121762), (868, 2301760), (896, 2229830), (992, 2014040), (1085, 1841408), (1120, 1783864), (1240, 1611232), (1280, 1560881), (1736, 1150880), (1792, 1114915), (1984, 1007020), (2170, 920704), (2240, 891932), (2480, 805616), (3472, 575440), (3968, 503510), (4340, 460352), (4480, 445966), (4960, 402808), (6944, 287720), (7193, 277760), (7936, 251755), (8680, 230176), (8960, 222983), (9920, 201404), (13888, 143860), (14386, 138880), (17360, 115088), (19840, 100702), (27776, 71930), (28772, 69440), (34720, 57544), (35965, 55552), (39680, 50351)]