820031760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:366

約数の個数: 240

約数和(自身を含む): 2841246720

約数和(自身を除く): 2021214960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 89, 90, 120, 134, 144, 178, 180, 191, 201, 240, 267, 268, 335, 356, 360, 382, 402, 445, 534, 536, 573, 603, 670, 712, 720, 764, 801, 804, 890, 955, 1005, 1068, 1072, 1146, 1206, 1335, 1340, 1424, 1528, 1602, 1608, 1719, 1780, 1910, 2010, 2136, 2292, 2412, 2670, 2680, 2865, 3015, 3056, 3204, 3216, 3438, 3560, 3820, 4005, 4020, 4272, 4584, 4824, 5340, 5360, 5730, 5963, 6030, 6408, 6876, 7120, 7640, 8010, 8040, 8595, 9168, 9648, 10680, 11460, 11926, 12060, 12797, 12816, 13752, 15280, 16020, 16080, 16999, 17190, 17889, 21360, 22920, 23852, 24120, 25594, 27504, 29815, 32040, 33998, 34380, 35778, 38391, 45840, 47704, 48240, 50997, 51188, 53667, 59630, 63985, 64080, 67996, 68760, 71556, 76782, 84995, 89445, 95408, 101994, 102376, 107334, 115173, 119260, 127970, 135992, 137520, 143112, 152991, 153564, 169990, 178890, 191955, 203988, 204752, 214668, 230346, 238520, 254985, 255940, 268335, 271984, 286224, 305982, 307128, 339980, 357780, 383910, 407976, 429336, 460692, 477040, 509970, 511880, 536670, 575865, 611964, 614256, 679960, 715560, 764955, 767820, 815952, 858672, 921384, 1019940, 1023760, 1073340, 1138933, 1151730, 1223928, 1359920, 1431120, 1529910, 1535640, 1842768, 2039880, 2146680, 2277866, 2303460, 2447856, 3059820, 3071280, 3416799, 4079760, 4293360, 4555732, 4606920, 5694665, 6119640, 6833598, 9111464, 9213840, 10250397, 11389330, 12239280, 13667196, 17083995, 18222928, 20500794, 22778660, 27334392, 34167990, 41001588, 45557320, 51251985, 54668784, 68335980, 82003176, 91114640, 102503970, 136671960, 164006352, 205007940, 273343920, 410015880, 820031760]

約数ペア:

[(1, 820031760), (2, 410015880), (3, 273343920), (4, 205007940), (5, 164006352), (6, 136671960), (8, 102503970), (9, 91114640), (10, 82003176), (12, 68335980), (15, 54668784), (16, 51251985), (18, 45557320), (20, 41001588), (24, 34167990), (30, 27334392), (36, 22778660), (40, 20500794), (45, 18222928), (48, 17083995), (60, 13667196), (67, 12239280), (72, 11389330), (80, 10250397), (89, 9213840), (90, 9111464), (120, 6833598), (134, 6119640), (144, 5694665), (178, 4606920), (180, 4555732), (191, 4293360), (201, 4079760), (240, 3416799), (267, 3071280), (268, 3059820), (335, 2447856), (356, 2303460), (360, 2277866), (382, 2146680), (402, 2039880), (445, 1842768), (534, 1535640), (536, 1529910), (573, 1431120), (603, 1359920), (670, 1223928), (712, 1151730), (720, 1138933), (764, 1073340), (801, 1023760), (804, 1019940), (890, 921384), (955, 858672), (1005, 815952), (1068, 767820), (1072, 764955), (1146, 715560), (1206, 679960), (1335, 614256), (1340, 611964), (1424, 575865), (1528, 536670), (1602, 511880), (1608, 509970), (1719, 477040), (1780, 460692), (1910, 429336), (2010, 407976), (2136, 383910), (2292, 357780), (2412, 339980), (2670, 307128), (2680, 305982), (2865, 286224), (3015, 271984), (3056, 268335), (3204, 255940), (3216, 254985), (3438, 238520), (3560, 230346), (3820, 214668), (4005, 204752), (4020, 203988), (4272, 191955), (4584, 178890), (4824, 169990), (5340, 153564), (5360, 152991), (5730, 143112), (5963, 137520), (6030, 135992), (6408, 127970), (6876, 119260), (7120, 115173), (7640, 107334), (8010, 102376), (8040, 101994), (8595, 95408), (9168, 89445), (9648, 84995), (10680, 76782), (11460, 71556), (11926, 68760), (12060, 67996), (12797, 64080), (12816, 63985), (13752, 59630), (15280, 53667), (16020, 51188), (16080, 50997), (16999, 48240), (17190, 47704), (17889, 45840), (21360, 38391), (22920, 35778), (23852, 34380), (24120, 33998), (25594, 32040), (27504, 29815)]