208351920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{2531}}^1$

素因数の和:2568

約数の個数: 160

約数和(自身を含む): 753523200

約数和(自身を除く): 545171280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2531, 2744, 2940, 3430, 3920, 4116, 5062, 5145, 5488, 5880, 6860, 7593, 8232, 10124, 10290, 11760, 12655, 13720, 15186, 16464, 17717, 20248, 20580, 25310, 27440, 30372, 35434, 37965, 40496, 41160, 50620, 53151, 60744, 70868, 75930, 82320, 88585, 101240, 106302, 121488, 124019, 141736, 151860, 177170, 202480, 212604, 248038, 265755, 283472, 303720, 354340, 372057, 425208, 496076, 531510, 607440, 620095, 708680, 744114, 850416, 868133, 992152, 1063020, 1240190, 1417360, 1488228, 1736266, 1860285, 1984304, 2126040, 2480380, 2604399, 2976456, 3472532, 3720570, 4252080, 4340665, 4960760, 5208798, 5952912, 6945064, 7441140, 8681330, 9921520, 10417596, 13021995, 13890128, 14882280, 17362660, 20835192, 26043990, 29764560, 34725320, 41670384, 52087980, 69450640, 104175960, 208351920]

約数ペア:

[(1, 208351920), (2, 104175960), (3, 69450640), (4, 52087980), (5, 41670384), (6, 34725320), (7, 29764560), (8, 26043990), (10, 20835192), (12, 17362660), (14, 14882280), (15, 13890128), (16, 13021995), (20, 10417596), (21, 9921520), (24, 8681330), (28, 7441140), (30, 6945064), (35, 5952912), (40, 5208798), (42, 4960760), (48, 4340665), (49, 4252080), (56, 3720570), (60, 3472532), (70, 2976456), (80, 2604399), (84, 2480380), (98, 2126040), (105, 1984304), (112, 1860285), (120, 1736266), (140, 1488228), (147, 1417360), (168, 1240190), (196, 1063020), (210, 992152), (240, 868133), (245, 850416), (280, 744114), (294, 708680), (336, 620095), (343, 607440), (392, 531510), (420, 496076), (490, 425208), (560, 372057), (588, 354340), (686, 303720), (735, 283472), (784, 265755), (840, 248038), (980, 212604), (1029, 202480), (1176, 177170), (1372, 151860), (1470, 141736), (1680, 124019), (1715, 121488), (1960, 106302), (2058, 101240), (2352, 88585), (2531, 82320), (2744, 75930), (2940, 70868), (3430, 60744), (3920, 53151), (4116, 50620), (5062, 41160), (5145, 40496), (5488, 37965), (5880, 35434), (6860, 30372), (7593, 27440), (8232, 25310), (10124, 20580), (10290, 20248), (11760, 17717), (12655, 16464), (13720, 15186)]