254848440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27581}}^1$

素因数の和:27613

約数の個数: 128

約数和(自身を含む): 953233920

約数和(自身を除く): 698385480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 27581, 55162, 82743, 110324, 137905, 165486, 193067, 220648, 275810, 303391, 330972, 386134, 413715, 551620, 579201, 606782, 661944, 772268, 827430, 910173, 965335, 1103240, 1158402, 1213564, 1516955, 1544536, 1654860, 1820346, 1930670, 2123737, 2316804, 2427128, 2896005, 3033910, 3309720, 3640692, 3861340, 4247474, 4550865, 4633608, 5792010, 6067820, 6371211, 7281384, 7722680, 8494948, 9101730, 10618685, 11584020, 12135640, 12742422, 16989896, 18203460, 21237370, 23168040, 25484844, 31856055, 36406920, 42474740, 50969688, 63712110, 84949480, 127424220, 254848440]

約数ペア:

[(1, 254848440), (2, 127424220), (3, 84949480), (4, 63712110), (5, 50969688), (6, 42474740), (7, 36406920), (8, 31856055), (10, 25484844), (11, 23168040), (12, 21237370), (14, 18203460), (15, 16989896), (20, 12742422), (21, 12135640), (22, 11584020), (24, 10618685), (28, 9101730), (30, 8494948), (33, 7722680), (35, 7281384), (40, 6371211), (42, 6067820), (44, 5792010), (55, 4633608), (56, 4550865), (60, 4247474), (66, 3861340), (70, 3640692), (77, 3309720), (84, 3033910), (88, 2896005), (105, 2427128), (110, 2316804), (120, 2123737), (132, 1930670), (140, 1820346), (154, 1654860), (165, 1544536), (168, 1516955), (210, 1213564), (220, 1158402), (231, 1103240), (264, 965335), (280, 910173), (308, 827430), (330, 772268), (385, 661944), (420, 606782), (440, 579201), (462, 551620), (616, 413715), (660, 386134), (770, 330972), (840, 303391), (924, 275810), (1155, 220648), (1320, 193067), (1540, 165486), (1848, 137905), (2310, 110324), (3080, 82743), (4620, 55162), (9240, 27581)]