20144446960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:576

約数の個数: 240

約数和(自身を含む): 54037478880

約数和(自身を除く): 33893031920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 109, 110, 115, 176, 184, 218, 220, 230, 253, 368, 397, 436, 440, 460, 506, 529, 545, 794, 872, 880, 920, 1012, 1058, 1090, 1199, 1265, 1588, 1744, 1840, 1985, 2024, 2116, 2180, 2398, 2507, 2530, 2645, 3176, 3970, 4048, 4232, 4360, 4367, 4796, 5014, 5060, 5290, 5819, 5995, 6352, 7940, 8464, 8720, 8734, 9131, 9592, 10028, 10120, 10580, 11638, 11990, 12535, 15880, 17468, 18262, 19184, 20056, 20240, 21160, 21835, 23276, 23980, 25070, 27577, 29095, 31760, 34936, 36524, 40112, 42320, 43273, 43670, 45655, 46552, 47960, 50140, 55154, 57661, 58190, 69872, 73048, 86546, 87340, 91310, 93104, 95920, 100280, 100441, 110308, 115322, 116380, 137885, 146096, 173092, 174680, 182620, 200560, 200882, 210013, 216365, 220616, 230644, 232760, 275770, 288305, 346184, 349360, 365240, 401764, 420026, 432730, 441232, 461288, 465520, 476003, 502205, 551540, 576610, 634271, 692368, 730480, 803528, 840052, 865460, 922576, 952006, 995279, 1004410, 1050065, 1103080, 1153220, 1268542, 1607056, 1680104, 1730920, 1904012, 1990558, 2008820, 2100130, 2206160, 2306440, 2310143, 2380015, 2537084, 3171355, 3360208, 3461840, 3808024, 3981116, 4017640, 4200260, 4612880, 4620286, 4760030, 4976395, 5074168, 6342710, 7616048, 7962232, 8035280, 8400520, 9240572, 9520060, 9952790, 10148336, 10948069, 11550715, 12685420, 15924464, 16801040, 18481144, 19040120, 19905580, 21896138, 22891417, 23101430, 25370840, 36962288, 38080240, 39811160, 43792276, 45782834, 46202860, 50741680, 54740345, 79622320, 87584552, 91565668, 92405720, 109480690, 114457085, 175169104, 183131336, 184811440, 218961380, 228914170, 251805587, 366262672, 437922760, 457828340, 503611174, 875845520, 915656680, 1007222348, 1259027935, 1831313360, 2014444696, 2518055870, 4028889392, 5036111740, 10072223480, 20144446960]

約数ペア:

[(1, 20144446960), (2, 10072223480), (4, 5036111740), (5, 4028889392), (8, 2518055870), (10, 2014444696), (11, 1831313360), (16, 1259027935), (20, 1007222348), (22, 915656680), (23, 875845520), (40, 503611174), (44, 457828340), (46, 437922760), (55, 366262672), (80, 251805587), (88, 228914170), (92, 218961380), (109, 184811440), (110, 183131336), (115, 175169104), (176, 114457085), (184, 109480690), (218, 92405720), (220, 91565668), (230, 87584552), (253, 79622320), (368, 54740345), (397, 50741680), (436, 46202860), (440, 45782834), (460, 43792276), (506, 39811160), (529, 38080240), (545, 36962288), (794, 25370840), (872, 23101430), (880, 22891417), (920, 21896138), (1012, 19905580), (1058, 19040120), (1090, 18481144), (1199, 16801040), (1265, 15924464), (1588, 12685420), (1744, 11550715), (1840, 10948069), (1985, 10148336), (2024, 9952790), (2116, 9520060), (2180, 9240572), (2398, 8400520), (2507, 8035280), (2530, 7962232), (2645, 7616048), (3176, 6342710), (3970, 5074168), (4048, 4976395), (4232, 4760030), (4360, 4620286), (4367, 4612880), (4796, 4200260), (5014, 4017640), (5060, 3981116), (5290, 3808024), (5819, 3461840), (5995, 3360208), (6352, 3171355), (7940, 2537084), (8464, 2380015), (8720, 2310143), (8734, 2306440), (9131, 2206160), (9592, 2100130), (10028, 2008820), (10120, 1990558), (10580, 1904012), (11638, 1730920), (11990, 1680104), (12535, 1607056), (15880, 1268542), (17468, 1153220), (18262, 1103080), (19184, 1050065), (20056, 1004410), (20240, 995279), (21160, 952006), (21835, 922576), (23276, 865460), (23980, 840052), (25070, 803528), (27577, 730480), (29095, 692368), (31760, 634271), (34936, 576610), (36524, 551540), (40112, 502205), (42320, 476003), (43273, 465520), (43670, 461288), (45655, 441232), (46552, 432730), (47960, 420026), (50140, 401764), (55154, 365240), (57661, 349360), (58190, 346184), (69872, 288305), (73048, 275770), (86546, 232760), (87340, 230644), (91310, 220616), (93104, 216365), (95920, 210013), (100280, 200882), (100441, 200560), (110308, 182620), (115322, 174680), (116380, 173092), (137885, 146096)]