16938347920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{1559}}^1$

素因数の和:1953

約数の個数: 160

約数和(自身を含む): 43937187840

約数和(自身を除く): 26998839920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 337, 403, 496, 520, 620, 674, 806, 1040, 1240, 1348, 1559, 1612, 1685, 2015, 2480, 2696, 3118, 3224, 3370, 4030, 4381, 5392, 6236, 6448, 6740, 7795, 8060, 8762, 10447, 12472, 13480, 15590, 16120, 17524, 20267, 20894, 21905, 24944, 26960, 31180, 32240, 35048, 40534, 41788, 43810, 48329, 52235, 62360, 70096, 81068, 83576, 87620, 96658, 101335, 104470, 124720, 135811, 162136, 167152, 175240, 193316, 202670, 208940, 241645, 271622, 324272, 350480, 386632, 405340, 417880, 483290, 525383, 543244, 628277, 679055, 773264, 810680, 835760, 966580, 1050766, 1086488, 1256554, 1358110, 1621360, 1933160, 2101532, 2172976, 2513108, 2626915, 2716220, 3141385, 3866320, 4203064, 5026216, 5253830, 5432440, 6282770, 6829979, 8406128, 10052432, 10507660, 10864880, 12565540, 13659958, 16286873, 21015320, 25131080, 27319916, 32573746, 34149895, 42030640, 50262160, 54639832, 65147492, 68299790, 81434365, 109279664, 130294984, 136599580, 162868730, 211729349, 260589968, 273199160, 325737460, 423458698, 546398320, 651474920, 846917396, 1058646745, 1302949840, 1693834792, 2117293490, 3387669584, 4234586980, 8469173960, 16938347920]

約数ペア:

[(1, 16938347920), (2, 8469173960), (4, 4234586980), (5, 3387669584), (8, 2117293490), (10, 1693834792), (13, 1302949840), (16, 1058646745), (20, 846917396), (26, 651474920), (31, 546398320), (40, 423458698), (52, 325737460), (62, 273199160), (65, 260589968), (80, 211729349), (104, 162868730), (124, 136599580), (130, 130294984), (155, 109279664), (208, 81434365), (248, 68299790), (260, 65147492), (310, 54639832), (337, 50262160), (403, 42030640), (496, 34149895), (520, 32573746), (620, 27319916), (674, 25131080), (806, 21015320), (1040, 16286873), (1240, 13659958), (1348, 12565540), (1559, 10864880), (1612, 10507660), (1685, 10052432), (2015, 8406128), (2480, 6829979), (2696, 6282770), (3118, 5432440), (3224, 5253830), (3370, 5026216), (4030, 4203064), (4381, 3866320), (5392, 3141385), (6236, 2716220), (6448, 2626915), (6740, 2513108), (7795, 2172976), (8060, 2101532), (8762, 1933160), (10447, 1621360), (12472, 1358110), (13480, 1256554), (15590, 1086488), (16120, 1050766), (17524, 966580), (20267, 835760), (20894, 810680), (21905, 773264), (24944, 679055), (26960, 628277), (31180, 543244), (32240, 525383), (35048, 483290), (40534, 417880), (41788, 405340), (43810, 386632), (48329, 350480), (52235, 324272), (62360, 271622), (70096, 241645), (81068, 208940), (83576, 202670), (87620, 193316), (96658, 175240), (101335, 167152), (104470, 162136), (124720, 135811)]