262465840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1227

約数の個数: 160

約数和(自身を含む): 775950336

約数和(自身を除く): 513484496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1163, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2326, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 4652, 5642, 5815, 6448, 7280, 8060, 8141, 8680, 9304, 11284, 11630, 14105, 15119, 16120, 16282, 17360, 18608, 22568, 23260, 28210, 30238, 32240, 32564, 36053, 40705, 45136, 46520, 56420, 60476, 65128, 72106, 75595, 81410, 93040, 105833, 112840, 120952, 130256, 144212, 151190, 162820, 180265, 211666, 225680, 241904, 252371, 288424, 302380, 325640, 360530, 423332, 468689, 504742, 529165, 576848, 604760, 651280, 721060, 846664, 937378, 1009484, 1058330, 1209520, 1261855, 1442120, 1693328, 1874756, 2018968, 2116660, 2343445, 2523710, 2884240, 3280823, 3749512, 4037936, 4233320, 4686890, 5047420, 6561646, 7499024, 8466640, 9373780, 10094840, 13123292, 16404115, 18747560, 20189680, 26246584, 32808230, 37495120, 52493168, 65616460, 131232920, 262465840]

約数ペア:

[(1, 262465840), (2, 131232920), (4, 65616460), (5, 52493168), (7, 37495120), (8, 32808230), (10, 26246584), (13, 20189680), (14, 18747560), (16, 16404115), (20, 13123292), (26, 10094840), (28, 9373780), (31, 8466640), (35, 7499024), (40, 6561646), (52, 5047420), (56, 4686890), (62, 4233320), (65, 4037936), (70, 3749512), (80, 3280823), (91, 2884240), (104, 2523710), (112, 2343445), (124, 2116660), (130, 2018968), (140, 1874756), (155, 1693328), (182, 1442120), (208, 1261855), (217, 1209520), (248, 1058330), (260, 1009484), (280, 937378), (310, 846664), (364, 721060), (403, 651280), (434, 604760), (455, 576848), (496, 529165), (520, 504742), (560, 468689), (620, 423332), (728, 360530), (806, 325640), (868, 302380), (910, 288424), (1040, 252371), (1085, 241904), (1163, 225680), (1240, 211666), (1456, 180265), (1612, 162820), (1736, 151190), (1820, 144212), (2015, 130256), (2170, 120952), (2326, 112840), (2480, 105833), (2821, 93040), (3224, 81410), (3472, 75595), (3640, 72106), (4030, 65128), (4340, 60476), (4652, 56420), (5642, 46520), (5815, 45136), (6448, 40705), (7280, 36053), (8060, 32564), (8141, 32240), (8680, 30238), (9304, 28210), (11284, 23260), (11630, 22568), (14105, 18608), (15119, 17360), (16120, 16282)]