82821620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 222808320

約数和(自身を除く): 139986700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 89, 92, 115, 119, 140, 161, 170, 178, 230, 238, 289, 322, 340, 356, 391, 445, 460, 476, 578, 595, 623, 644, 782, 805, 890, 1156, 1190, 1246, 1445, 1513, 1564, 1610, 1780, 1955, 2023, 2047, 2380, 2492, 2737, 2890, 3026, 3115, 3220, 3910, 4046, 4094, 5474, 5780, 6052, 6230, 6647, 7565, 7820, 8092, 8188, 10115, 10235, 10591, 10948, 12460, 13294, 13685, 14329, 15130, 20230, 20470, 21182, 25721, 26588, 27370, 28658, 30260, 33235, 34799, 40460, 40940, 42364, 46529, 51442, 52955, 54740, 57316, 66470, 69598, 71645, 93058, 102884, 105910, 128605, 132940, 139196, 143290, 173995, 180047, 186116, 211820, 232645, 243593, 257210, 286580, 347990, 360094, 465290, 487186, 514420, 591583, 695980, 720188, 900235, 930580, 974372, 1183166, 1217965, 1800470, 2366332, 2435930, 2957915, 3600940, 4141081, 4871860, 5915830, 8282162, 11831660, 16564324, 20705405, 41410810, 82821620]

約数ペア:

[(1, 82821620), (2, 41410810), (4, 20705405), (5, 16564324), (7, 11831660), (10, 8282162), (14, 5915830), (17, 4871860), (20, 4141081), (23, 3600940), (28, 2957915), (34, 2435930), (35, 2366332), (46, 1800470), (68, 1217965), (70, 1183166), (85, 974372), (89, 930580), (92, 900235), (115, 720188), (119, 695980), (140, 591583), (161, 514420), (170, 487186), (178, 465290), (230, 360094), (238, 347990), (289, 286580), (322, 257210), (340, 243593), (356, 232645), (391, 211820), (445, 186116), (460, 180047), (476, 173995), (578, 143290), (595, 139196), (623, 132940), (644, 128605), (782, 105910), (805, 102884), (890, 93058), (1156, 71645), (1190, 69598), (1246, 66470), (1445, 57316), (1513, 54740), (1564, 52955), (1610, 51442), (1780, 46529), (1955, 42364), (2023, 40940), (2047, 40460), (2380, 34799), (2492, 33235), (2737, 30260), (2890, 28658), (3026, 27370), (3115, 26588), (3220, 25721), (3910, 21182), (4046, 20470), (4094, 20230), (5474, 15130), (5780, 14329), (6052, 13685), (6230, 13294), (6647, 12460), (7565, 10948), (7820, 10591), (8092, 10235), (8188, 10115)]