255780540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 798400512

約数和(自身を除く): 542619972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 127, 134, 167, 180, 201, 254, 268, 334, 335, 381, 402, 501, 508, 603, 635, 668, 670, 762, 804, 835, 1002, 1005, 1143, 1206, 1270, 1340, 1503, 1524, 1670, 1905, 2004, 2010, 2286, 2412, 2505, 2540, 3006, 3015, 3340, 3810, 4020, 4572, 5010, 5715, 6012, 6030, 7515, 7620, 8509, 10020, 11189, 11430, 12060, 15030, 17018, 21209, 22378, 22860, 25527, 30060, 33567, 34036, 42418, 42545, 44756, 51054, 55945, 63627, 67134, 76581, 84836, 85090, 100701, 102108, 106045, 111890, 127254, 127635, 134268, 153162, 167835, 170180, 190881, 201402, 212090, 223780, 254508, 255270, 306324, 318135, 335670, 381762, 382905, 402804, 424180, 503505, 510540, 636270, 671340, 763524, 765810, 954405, 1007010, 1272540, 1421003, 1531620, 1908810, 2014020, 2842006, 3817620, 4263009, 5684012, 7105015, 8526018, 12789027, 14210030, 17052036, 21315045, 25578054, 28420060, 42630090, 51156108, 63945135, 85260180, 127890270, 255780540]

約数ペア:

[(1, 255780540), (2, 127890270), (3, 85260180), (4, 63945135), (5, 51156108), (6, 42630090), (9, 28420060), (10, 25578054), (12, 21315045), (15, 17052036), (18, 14210030), (20, 12789027), (30, 8526018), (36, 7105015), (45, 5684012), (60, 4263009), (67, 3817620), (90, 2842006), (127, 2014020), (134, 1908810), (167, 1531620), (180, 1421003), (201, 1272540), (254, 1007010), (268, 954405), (334, 765810), (335, 763524), (381, 671340), (402, 636270), (501, 510540), (508, 503505), (603, 424180), (635, 402804), (668, 382905), (670, 381762), (762, 335670), (804, 318135), (835, 306324), (1002, 255270), (1005, 254508), (1143, 223780), (1206, 212090), (1270, 201402), (1340, 190881), (1503, 170180), (1524, 167835), (1670, 153162), (1905, 134268), (2004, 127635), (2010, 127254), (2286, 111890), (2412, 106045), (2505, 102108), (2540, 100701), (3006, 85090), (3015, 84836), (3340, 76581), (3810, 67134), (4020, 63627), (4572, 55945), (5010, 51054), (5715, 44756), (6012, 42545), (6030, 42418), (7515, 34036), (7620, 33567), (8509, 30060), (10020, 25527), (11189, 22860), (11430, 22378), (12060, 21209), (15030, 17018)]