19987588080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{25633}}^1$

素因数の和:25693

約数の個数: 240

約数和(自身を含む): 72663161760

約数和(自身を除く): 52675573680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 361, 380, 432, 456, 513, 540, 570, 684, 720, 722, 760, 855, 912, 1026, 1080, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 2052, 2160, 2166, 2280, 2565, 2736, 2888, 3249, 3420, 3610, 4104, 4332, 4560, 5130, 5415, 5776, 6498, 6840, 7220, 8208, 8664, 9747, 10260, 10830, 12996, 13680, 14440, 16245, 17328, 19494, 20520, 21660, 25633, 25992, 28880, 32490, 38988, 41040, 43320, 48735, 51266, 51984, 64980, 76899, 77976, 86640, 97470, 102532, 128165, 129960, 153798, 155952, 194940, 205064, 230697, 256330, 259920, 307596, 384495, 389880, 410128, 461394, 487027, 512660, 615192, 692091, 768990, 779760, 922788, 974054, 1025320, 1153485, 1230384, 1384182, 1461081, 1537980, 1845576, 1948108, 2050640, 2306970, 2435135, 2768364, 2922162, 3075960, 3460455, 3691152, 3896216, 4383243, 4613940, 4870270, 5536728, 5844324, 6151920, 6920910, 7305405, 7792432, 8766486, 9227880, 9253513, 9740540, 11073456, 11688648, 13149729, 13841820, 14610810, 17532972, 18455760, 18507026, 19481080, 21916215, 23377296, 26299458, 27683640, 27760539, 29221620, 35065944, 37014052, 38962160, 43832430, 46267565, 52598916, 55367280, 55521078, 58443240, 65748645, 70131888, 74028104, 83281617, 87664860, 92535130, 105197832, 111042156, 116886480, 131497290, 138802695, 148056208, 166563234, 175329720, 185070260, 210395664, 222084312, 249844851, 262994580, 277605390, 333126468, 350659440, 370140520, 416408085, 444168624, 499689702, 525989160, 555210780, 666252936, 740281040, 832816170, 999379404, 1051978320, 1110421560, 1249224255, 1332505872, 1665632340, 1998758808, 2220843120, 2498448510, 3331264680, 3997517616, 4996897020, 6662529360, 9993794040, 19987588080]

約数ペア:

[(1, 19987588080), (2, 9993794040), (3, 6662529360), (4, 4996897020), (5, 3997517616), (6, 3331264680), (8, 2498448510), (9, 2220843120), (10, 1998758808), (12, 1665632340), (15, 1332505872), (16, 1249224255), (18, 1110421560), (19, 1051978320), (20, 999379404), (24, 832816170), (27, 740281040), (30, 666252936), (36, 555210780), (38, 525989160), (40, 499689702), (45, 444168624), (48, 416408085), (54, 370140520), (57, 350659440), (60, 333126468), (72, 277605390), (76, 262994580), (80, 249844851), (90, 222084312), (95, 210395664), (108, 185070260), (114, 175329720), (120, 166563234), (135, 148056208), (144, 138802695), (152, 131497290), (171, 116886480), (180, 111042156), (190, 105197832), (216, 92535130), (228, 87664860), (240, 83281617), (270, 74028104), (285, 70131888), (304, 65748645), (342, 58443240), (360, 55521078), (361, 55367280), (380, 52598916), (432, 46267565), (456, 43832430), (513, 38962160), (540, 37014052), (570, 35065944), (684, 29221620), (720, 27760539), (722, 27683640), (760, 26299458), (855, 23377296), (912, 21916215), (1026, 19481080), (1080, 18507026), (1083, 18455760), (1140, 17532972), (1368, 14610810), (1444, 13841820), (1520, 13149729), (1710, 11688648), (1805, 11073456), (2052, 9740540), (2160, 9253513), (2166, 9227880), (2280, 8766486), (2565, 7792432), (2736, 7305405), (2888, 6920910), (3249, 6151920), (3420, 5844324), (3610, 5536728), (4104, 4870270), (4332, 4613940), (4560, 4383243), (5130, 3896216), (5415, 3691152), (5776, 3460455), (6498, 3075960), (6840, 2922162), (7220, 2768364), (8208, 2435135), (8664, 2306970), (9747, 2050640), (10260, 1948108), (10830, 1845576), (12996, 1537980), (13680, 1461081), (14440, 1384182), (16245, 1230384), (17328, 1153485), (19494, 1025320), (20520, 974054), (21660, 922788), (25633, 779760), (25992, 768990), (28880, 692091), (32490, 615192), (38988, 512660), (41040, 487027), (43320, 461394), (48735, 410128), (51266, 389880), (51984, 384495), (64980, 307596), (76899, 259920), (77976, 256330), (86640, 230697), (97470, 205064), (102532, 194940), (128165, 155952), (129960, 153798)]