80671920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1603

約数の個数: 160

約数和(自身を含む): 295219200

約数和(自身を除く): 214547280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1549, 1680, 1736, 1860, 2170, 2480, 2604, 3098, 3255, 3472, 3720, 4340, 4647, 5208, 6196, 6510, 7440, 7745, 8680, 9294, 10416, 10843, 12392, 13020, 15490, 17360, 18588, 21686, 23235, 24784, 26040, 30980, 32529, 37176, 43372, 46470, 48019, 52080, 54215, 61960, 65058, 74352, 86744, 92940, 96038, 108430, 123920, 130116, 144057, 162645, 173488, 185880, 192076, 216860, 240095, 260232, 288114, 325290, 336133, 371760, 384152, 433720, 480190, 520464, 576228, 650580, 672266, 720285, 768304, 867440, 960380, 1008399, 1152456, 1301160, 1344532, 1440570, 1680665, 1920760, 2016798, 2304912, 2602320, 2689064, 2881140, 3361330, 3841520, 4033596, 5041995, 5378128, 5762280, 6722660, 8067192, 10083990, 11524560, 13445320, 16134384, 20167980, 26890640, 40335960, 80671920]

約数ペア:

[(1, 80671920), (2, 40335960), (3, 26890640), (4, 20167980), (5, 16134384), (6, 13445320), (7, 11524560), (8, 10083990), (10, 8067192), (12, 6722660), (14, 5762280), (15, 5378128), (16, 5041995), (20, 4033596), (21, 3841520), (24, 3361330), (28, 2881140), (30, 2689064), (31, 2602320), (35, 2304912), (40, 2016798), (42, 1920760), (48, 1680665), (56, 1440570), (60, 1344532), (62, 1301160), (70, 1152456), (80, 1008399), (84, 960380), (93, 867440), (105, 768304), (112, 720285), (120, 672266), (124, 650580), (140, 576228), (155, 520464), (168, 480190), (186, 433720), (210, 384152), (217, 371760), (240, 336133), (248, 325290), (280, 288114), (310, 260232), (336, 240095), (372, 216860), (420, 192076), (434, 185880), (465, 173488), (496, 162645), (560, 144057), (620, 130116), (651, 123920), (744, 108430), (840, 96038), (868, 92940), (930, 86744), (1085, 74352), (1240, 65058), (1302, 61960), (1488, 54215), (1549, 52080), (1680, 48019), (1736, 46470), (1860, 43372), (2170, 37176), (2480, 32529), (2604, 30980), (3098, 26040), (3255, 24784), (3472, 23235), (3720, 21686), (4340, 18588), (4647, 17360), (5208, 15490), (6196, 13020), (6510, 12392), (7440, 10843), (7745, 10416), (8680, 9294)]