28454220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 96768000

約数和(自身を除く): 68313780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 29, 30, 36, 45, 46, 54, 58, 60, 69, 79, 87, 90, 92, 108, 115, 116, 135, 138, 145, 158, 174, 180, 207, 230, 237, 261, 270, 276, 290, 316, 345, 348, 395, 414, 435, 460, 474, 522, 540, 580, 621, 667, 690, 711, 783, 790, 828, 870, 948, 1035, 1044, 1185, 1242, 1305, 1334, 1380, 1422, 1566, 1580, 1740, 1817, 2001, 2070, 2133, 2291, 2370, 2484, 2610, 2668, 2844, 3105, 3132, 3335, 3555, 3634, 3915, 4002, 4140, 4266, 4582, 4740, 5220, 5451, 6003, 6210, 6670, 6873, 7110, 7268, 7830, 8004, 8532, 9085, 9164, 10005, 10665, 10902, 11455, 12006, 12420, 13340, 13746, 14220, 15660, 16353, 18009, 18170, 20010, 20619, 21330, 21804, 22910, 24012, 27255, 27492, 30015, 32706, 34365, 36018, 36340, 40020, 41238, 42660, 45820, 49059, 52693, 54510, 60030, 61857, 65412, 68730, 72036, 81765, 82476, 90045, 98118, 103095, 105386, 109020, 120060, 123714, 137460, 158079, 163530, 180090, 196236, 206190, 210772, 245295, 247428, 263465, 309285, 316158, 327060, 360180, 412380, 474237, 490590, 526930, 618570, 632316, 790395, 948474, 981180, 1053860, 1237140, 1422711, 1580790, 1896948, 2371185, 2845422, 3161580, 4742370, 5690844, 7113555, 9484740, 14227110, 28454220]

約数ペア:

[(1, 28454220), (2, 14227110), (3, 9484740), (4, 7113555), (5, 5690844), (6, 4742370), (9, 3161580), (10, 2845422), (12, 2371185), (15, 1896948), (18, 1580790), (20, 1422711), (23, 1237140), (27, 1053860), (29, 981180), (30, 948474), (36, 790395), (45, 632316), (46, 618570), (54, 526930), (58, 490590), (60, 474237), (69, 412380), (79, 360180), (87, 327060), (90, 316158), (92, 309285), (108, 263465), (115, 247428), (116, 245295), (135, 210772), (138, 206190), (145, 196236), (158, 180090), (174, 163530), (180, 158079), (207, 137460), (230, 123714), (237, 120060), (261, 109020), (270, 105386), (276, 103095), (290, 98118), (316, 90045), (345, 82476), (348, 81765), (395, 72036), (414, 68730), (435, 65412), (460, 61857), (474, 60030), (522, 54510), (540, 52693), (580, 49059), (621, 45820), (667, 42660), (690, 41238), (711, 40020), (783, 36340), (790, 36018), (828, 34365), (870, 32706), (948, 30015), (1035, 27492), (1044, 27255), (1185, 24012), (1242, 22910), (1305, 21804), (1334, 21330), (1380, 20619), (1422, 20010), (1566, 18170), (1580, 18009), (1740, 16353), (1817, 15660), (2001, 14220), (2070, 13746), (2133, 13340), (2291, 12420), (2370, 12006), (2484, 11455), (2610, 10902), (2668, 10665), (2844, 10005), (3105, 9164), (3132, 9085), (3335, 8532), (3555, 8004), (3634, 7830), (3915, 7268), (4002, 7110), (4140, 6873), (4266, 6670), (4582, 6210), (4740, 6003), (5220, 5451)]