1239547680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{122971}}^1$

素因数の和:122999

約数の個数: 144

約数和(自身を含む): 4834275264

約数和(自身を除く): 3594727584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 122971, 245942, 368913, 491884, 614855, 737826, 860797, 983768, 1106739, 1229710, 1475652, 1721594, 1844565, 1967536, 2213478, 2459420, 2582391, 2951304, 3443188, 3689130, 3935072, 4303985, 4426956, 4918840, 5164782, 5533695, 5902608, 6886376, 7378260, 7747173, 8607970, 8853912, 9837680, 10329564, 11067390, 11805216, 12911955, 13772752, 14756520, 15494346, 17215940, 17707824, 19675360, 20659128, 22134780, 25823910, 27545504, 29513040, 30988692, 34431880, 35415648, 38735865, 41318256, 44269560, 51647820, 59026080, 61977384, 68863760, 77471730, 82636512, 88539120, 103295640, 123954768, 137727520, 154943460, 177078240, 206591280, 247909536, 309886920, 413182560, 619773840, 1239547680]

約数ペア:

[(1, 1239547680), (2, 619773840), (3, 413182560), (4, 309886920), (5, 247909536), (6, 206591280), (7, 177078240), (8, 154943460), (9, 137727520), (10, 123954768), (12, 103295640), (14, 88539120), (15, 82636512), (16, 77471730), (18, 68863760), (20, 61977384), (21, 59026080), (24, 51647820), (28, 44269560), (30, 41318256), (32, 38735865), (35, 35415648), (36, 34431880), (40, 30988692), (42, 29513040), (45, 27545504), (48, 25823910), (56, 22134780), (60, 20659128), (63, 19675360), (70, 17707824), (72, 17215940), (80, 15494346), (84, 14756520), (90, 13772752), (96, 12911955), (105, 11805216), (112, 11067390), (120, 10329564), (126, 9837680), (140, 8853912), (144, 8607970), (160, 7747173), (168, 7378260), (180, 6886376), (210, 5902608), (224, 5533695), (240, 5164782), (252, 4918840), (280, 4426956), (288, 4303985), (315, 3935072), (336, 3689130), (360, 3443188), (420, 2951304), (480, 2582391), (504, 2459420), (560, 2213478), (630, 1967536), (672, 1844565), (720, 1721594), (840, 1475652), (1008, 1229710), (1120, 1106739), (1260, 983768), (1440, 860797), (1680, 737826), (2016, 614855), (2520, 491884), (3360, 368913), (5040, 245942), (10080, 122971)]