1247686380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 3853362240

約数和(自身を除く): 2605675860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 173, 180, 206, 309, 346, 389, 412, 515, 519, 618, 692, 778, 865, 927, 1030, 1038, 1167, 1236, 1545, 1556, 1557, 1730, 1854, 1945, 2060, 2076, 2334, 2595, 3090, 3114, 3460, 3501, 3708, 3890, 4635, 4668, 5190, 5835, 6180, 6228, 7002, 7780, 7785, 9270, 10380, 11670, 14004, 15570, 17505, 17819, 18540, 23340, 31140, 35010, 35638, 40067, 53457, 67297, 70020, 71276, 80134, 89095, 106914, 120201, 134594, 160268, 160371, 178190, 200335, 201891, 213828, 240402, 267285, 269188, 320742, 336485, 356380, 360603, 400670, 403782, 480804, 534570, 601005, 605673, 641484, 672970, 721206, 801340, 801855, 807564, 1009455, 1069140, 1202010, 1211346, 1345940, 1442412, 1603710, 1803015, 2018910, 2404020, 2422692, 3028365, 3207420, 3606030, 4037820, 6056730, 6931591, 7212060, 12113460, 13863182, 20794773, 27726364, 34657955, 41589546, 62384319, 69315910, 83179092, 103973865, 124768638, 138631820, 207947730, 249537276, 311921595, 415895460, 623843190, 1247686380]

約数ペア:

[(1, 1247686380), (2, 623843190), (3, 415895460), (4, 311921595), (5, 249537276), (6, 207947730), (9, 138631820), (10, 124768638), (12, 103973865), (15, 83179092), (18, 69315910), (20, 62384319), (30, 41589546), (36, 34657955), (45, 27726364), (60, 20794773), (90, 13863182), (103, 12113460), (173, 7212060), (180, 6931591), (206, 6056730), (309, 4037820), (346, 3606030), (389, 3207420), (412, 3028365), (515, 2422692), (519, 2404020), (618, 2018910), (692, 1803015), (778, 1603710), (865, 1442412), (927, 1345940), (1030, 1211346), (1038, 1202010), (1167, 1069140), (1236, 1009455), (1545, 807564), (1556, 801855), (1557, 801340), (1730, 721206), (1854, 672970), (1945, 641484), (2060, 605673), (2076, 601005), (2334, 534570), (2595, 480804), (3090, 403782), (3114, 400670), (3460, 360603), (3501, 356380), (3708, 336485), (3890, 320742), (4635, 269188), (4668, 267285), (5190, 240402), (5835, 213828), (6180, 201891), (6228, 200335), (7002, 178190), (7780, 160371), (7785, 160268), (9270, 134594), (10380, 120201), (11670, 106914), (14004, 89095), (15570, 80134), (17505, 71276), (17819, 70020), (18540, 67297), (23340, 53457), (31140, 40067), (35010, 35638)]