251399280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 160

約数和(自身を含む): 858302208

約数和(自身を除く): 606902928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 787, 880, 968, 1210, 1320, 1331, 1452, 1574, 1815, 1936, 2361, 2420, 2640, 2662, 2904, 3148, 3630, 3935, 3993, 4722, 4840, 5324, 5808, 6296, 6655, 7260, 7870, 7986, 8657, 9444, 9680, 10648, 11805, 12592, 13310, 14520, 15740, 15972, 17314, 18888, 19965, 21296, 23610, 25971, 26620, 29040, 31480, 31944, 34628, 37776, 39930, 43285, 47220, 51942, 53240, 62960, 63888, 69256, 79860, 86570, 94440, 95227, 103884, 106480, 129855, 138512, 159720, 173140, 188880, 190454, 207768, 259710, 285681, 319440, 346280, 380908, 415536, 476135, 519420, 571362, 692560, 761816, 952270, 1038840, 1047497, 1142724, 1428405, 1523632, 1904540, 2077680, 2094994, 2285448, 2856810, 3142491, 3809080, 4189988, 4570896, 5237485, 5713620, 6284982, 7618160, 8379976, 10474970, 11427240, 12569964, 15712455, 16759952, 20949940, 22854480, 25139928, 31424910, 41899880, 50279856, 62849820, 83799760, 125699640, 251399280]

約数ペア:

[(1, 251399280), (2, 125699640), (3, 83799760), (4, 62849820), (5, 50279856), (6, 41899880), (8, 31424910), (10, 25139928), (11, 22854480), (12, 20949940), (15, 16759952), (16, 15712455), (20, 12569964), (22, 11427240), (24, 10474970), (30, 8379976), (33, 7618160), (40, 6284982), (44, 5713620), (48, 5237485), (55, 4570896), (60, 4189988), (66, 3809080), (80, 3142491), (88, 2856810), (110, 2285448), (120, 2094994), (121, 2077680), (132, 1904540), (165, 1523632), (176, 1428405), (220, 1142724), (240, 1047497), (242, 1038840), (264, 952270), (330, 761816), (363, 692560), (440, 571362), (484, 519420), (528, 476135), (605, 415536), (660, 380908), (726, 346280), (787, 319440), (880, 285681), (968, 259710), (1210, 207768), (1320, 190454), (1331, 188880), (1452, 173140), (1574, 159720), (1815, 138512), (1936, 129855), (2361, 106480), (2420, 103884), (2640, 95227), (2662, 94440), (2904, 86570), (3148, 79860), (3630, 69256), (3935, 63888), (3993, 62960), (4722, 53240), (4840, 51942), (5324, 47220), (5808, 43285), (6296, 39930), (6655, 37776), (7260, 34628), (7870, 31944), (7986, 31480), (8657, 29040), (9444, 26620), (9680, 25971), (10648, 23610), (11805, 21296), (12592, 19965), (13310, 18888), (14520, 17314), (15740, 15972)]