20656164480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{15217}}^1$

素因数の和:15347

約数の個数: 256

約数和(自身を含む): 75997474560

約数和(自身を除く): 55341310080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 101, 105, 112, 120, 128, 140, 160, 168, 192, 202, 210, 224, 240, 280, 303, 320, 336, 384, 404, 420, 448, 480, 505, 560, 606, 640, 672, 707, 808, 840, 896, 960, 1010, 1120, 1212, 1344, 1414, 1515, 1616, 1680, 1920, 2020, 2121, 2240, 2424, 2688, 2828, 3030, 3232, 3360, 3535, 4040, 4242, 4480, 4848, 5656, 6060, 6464, 6720, 7070, 8080, 8484, 9696, 10605, 11312, 12120, 12928, 13440, 14140, 15217, 16160, 16968, 19392, 21210, 22624, 24240, 28280, 30434, 32320, 33936, 38784, 42420, 45248, 45651, 48480, 56560, 60868, 64640, 67872, 76085, 84840, 90496, 91302, 96960, 106519, 113120, 121736, 135744, 152170, 169680, 182604, 193920, 213038, 226240, 228255, 243472, 271488, 304340, 319557, 339360, 365208, 426076, 452480, 456510, 486944, 532595, 608680, 639114, 678720, 730416, 852152, 913020, 973888, 1065190, 1217360, 1278228, 1357440, 1460832, 1536917, 1597785, 1704304, 1826040, 1947776, 2130380, 2434720, 2556456, 2921664, 3073834, 3195570, 3408608, 3652080, 4260760, 4610751, 4869440, 5112912, 5843328, 6147668, 6391140, 6817216, 7304160, 7684585, 8521520, 9221502, 9738880, 10225824, 10758419, 12295336, 12782280, 13634432, 14608320, 15369170, 17043040, 18443004, 20451648, 21516838, 23053755, 24590672, 25564560, 29216640, 30738340, 32275257, 34086080, 36886008, 40903296, 43033676, 46107510, 49181344, 51129120, 53792095, 61476680, 64550514, 68172160, 73772016, 86067352, 92215020, 98362688, 102258240, 107584190, 122953360, 129101028, 147544032, 161376285, 172134704, 184430040, 196725376, 204516480, 215168380, 245906720, 258202056, 295088064, 322752570, 344269408, 368860080, 430336760, 491813440, 516404112, 590176128, 645505140, 688538816, 737720160, 860673520, 983626880, 1032808224, 1291010280, 1377077632, 1475440320, 1721347040, 2065616448, 2582020560, 2950880640, 3442694080, 4131232896, 5164041120, 6885388160, 10328082240, 20656164480]

約数ペア:

[(1, 20656164480), (2, 10328082240), (3, 6885388160), (4, 5164041120), (5, 4131232896), (6, 3442694080), (7, 2950880640), (8, 2582020560), (10, 2065616448), (12, 1721347040), (14, 1475440320), (15, 1377077632), (16, 1291010280), (20, 1032808224), (21, 983626880), (24, 860673520), (28, 737720160), (30, 688538816), (32, 645505140), (35, 590176128), (40, 516404112), (42, 491813440), (48, 430336760), (56, 368860080), (60, 344269408), (64, 322752570), (70, 295088064), (80, 258202056), (84, 245906720), (96, 215168380), (101, 204516480), (105, 196725376), (112, 184430040), (120, 172134704), (128, 161376285), (140, 147544032), (160, 129101028), (168, 122953360), (192, 107584190), (202, 102258240), (210, 98362688), (224, 92215020), (240, 86067352), (280, 73772016), (303, 68172160), (320, 64550514), (336, 61476680), (384, 53792095), (404, 51129120), (420, 49181344), (448, 46107510), (480, 43033676), (505, 40903296), (560, 36886008), (606, 34086080), (640, 32275257), (672, 30738340), (707, 29216640), (808, 25564560), (840, 24590672), (896, 23053755), (960, 21516838), (1010, 20451648), (1120, 18443004), (1212, 17043040), (1344, 15369170), (1414, 14608320), (1515, 13634432), (1616, 12782280), (1680, 12295336), (1920, 10758419), (2020, 10225824), (2121, 9738880), (2240, 9221502), (2424, 8521520), (2688, 7684585), (2828, 7304160), (3030, 6817216), (3232, 6391140), (3360, 6147668), (3535, 5843328), (4040, 5112912), (4242, 4869440), (4480, 4610751), (4848, 4260760), (5656, 3652080), (6060, 3408608), (6464, 3195570), (6720, 3073834), (7070, 2921664), (8080, 2556456), (8484, 2434720), (9696, 2130380), (10605, 1947776), (11312, 1826040), (12120, 1704304), (12928, 1597785), (13440, 1536917), (14140, 1460832), (15217, 1357440), (16160, 1278228), (16968, 1217360), (19392, 1065190), (21210, 973888), (22624, 913020), (24240, 852152), (28280, 730416), (30434, 678720), (32320, 639114), (33936, 608680), (38784, 532595), (42420, 486944), (45248, 456510), (45651, 452480), (48480, 426076), (56560, 365208), (60868, 339360), (64640, 319557), (67872, 304340), (76085, 271488), (84840, 243472), (90496, 228255), (91302, 226240), (96960, 213038), (106519, 193920), (113120, 182604), (121736, 169680), (135744, 152170)]