1540008080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1385

約数の個数: 160

約数和(自身を含む): 4091071488

約数和(自身を除く): 2551063408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 185, 208, 248, 260, 296, 310, 370, 403, 481, 496, 520, 592, 620, 740, 806, 962, 1040, 1147, 1240, 1291, 1480, 1612, 1924, 2015, 2294, 2405, 2480, 2582, 2960, 3224, 3848, 4030, 4588, 4810, 5164, 5735, 6448, 6455, 7696, 8060, 9176, 9620, 10328, 11470, 12910, 14911, 16120, 16783, 18352, 19240, 20656, 22940, 25820, 29822, 32240, 33566, 38480, 40021, 45880, 47767, 51640, 59644, 67132, 74555, 80042, 83915, 91760, 95534, 103280, 119288, 134264, 149110, 160084, 167830, 191068, 200105, 238576, 238835, 268528, 298220, 320168, 335660, 382136, 400210, 477670, 520273, 596440, 620971, 640336, 671320, 764272, 800420, 955340, 1040546, 1192880, 1241942, 1342640, 1480777, 1600840, 1910680, 2081092, 2483884, 2601365, 2961554, 3104855, 3201680, 3821360, 4162184, 4967768, 5202730, 5923108, 6209710, 7403885, 8324368, 9935536, 10405460, 11846216, 12419420, 14807770, 19250101, 20810920, 23692432, 24838840, 29615540, 38500202, 41621840, 49677680, 59231080, 77000404, 96250505, 118462160, 154000808, 192501010, 308001616, 385002020, 770004040, 1540008080]

約数ペア:

[(1, 1540008080), (2, 770004040), (4, 385002020), (5, 308001616), (8, 192501010), (10, 154000808), (13, 118462160), (16, 96250505), (20, 77000404), (26, 59231080), (31, 49677680), (37, 41621840), (40, 38500202), (52, 29615540), (62, 24838840), (65, 23692432), (74, 20810920), (80, 19250101), (104, 14807770), (124, 12419420), (130, 11846216), (148, 10405460), (155, 9935536), (185, 8324368), (208, 7403885), (248, 6209710), (260, 5923108), (296, 5202730), (310, 4967768), (370, 4162184), (403, 3821360), (481, 3201680), (496, 3104855), (520, 2961554), (592, 2601365), (620, 2483884), (740, 2081092), (806, 1910680), (962, 1600840), (1040, 1480777), (1147, 1342640), (1240, 1241942), (1291, 1192880), (1480, 1040546), (1612, 955340), (1924, 800420), (2015, 764272), (2294, 671320), (2405, 640336), (2480, 620971), (2582, 596440), (2960, 520273), (3224, 477670), (3848, 400210), (4030, 382136), (4588, 335660), (4810, 320168), (5164, 298220), (5735, 268528), (6448, 238835), (6455, 238576), (7696, 200105), (8060, 191068), (9176, 167830), (9620, 160084), (10328, 149110), (11470, 134264), (12910, 119288), (14911, 103280), (16120, 95534), (16783, 91760), (18352, 83915), (19240, 80042), (20656, 74555), (22940, 67132), (25820, 59644), (29822, 51640), (32240, 47767), (33566, 45880), (38480, 40021)]