261119340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 818004096

約数和(自身を除く): 556884756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 101, 106, 159, 180, 202, 212, 265, 271, 303, 318, 404, 477, 505, 530, 542, 606, 636, 795, 813, 909, 954, 1010, 1060, 1084, 1212, 1355, 1515, 1590, 1626, 1818, 1908, 2020, 2385, 2439, 2710, 3030, 3180, 3252, 3636, 4065, 4545, 4770, 4878, 5353, 5420, 6060, 8130, 9090, 9540, 9756, 10706, 12195, 14363, 16059, 16260, 18180, 21412, 24390, 26765, 27371, 28726, 32118, 43089, 48177, 48780, 53530, 54742, 57452, 64236, 71815, 80295, 82113, 86178, 96354, 107060, 109484, 129267, 136855, 143630, 160590, 164226, 172356, 192708, 215445, 240885, 246339, 258534, 273710, 287260, 321180, 328452, 410565, 430890, 481770, 492678, 517068, 547420, 646335, 821130, 861780, 963540, 985356, 1231695, 1292670, 1450663, 1642260, 2463390, 2585340, 2901326, 4351989, 4926780, 5802652, 7253315, 8703978, 13055967, 14506630, 17407956, 21759945, 26111934, 29013260, 43519890, 52223868, 65279835, 87039780, 130559670, 261119340]

約数ペア:

[(1, 261119340), (2, 130559670), (3, 87039780), (4, 65279835), (5, 52223868), (6, 43519890), (9, 29013260), (10, 26111934), (12, 21759945), (15, 17407956), (18, 14506630), (20, 13055967), (30, 8703978), (36, 7253315), (45, 5802652), (53, 4926780), (60, 4351989), (90, 2901326), (101, 2585340), (106, 2463390), (159, 1642260), (180, 1450663), (202, 1292670), (212, 1231695), (265, 985356), (271, 963540), (303, 861780), (318, 821130), (404, 646335), (477, 547420), (505, 517068), (530, 492678), (542, 481770), (606, 430890), (636, 410565), (795, 328452), (813, 321180), (909, 287260), (954, 273710), (1010, 258534), (1060, 246339), (1084, 240885), (1212, 215445), (1355, 192708), (1515, 172356), (1590, 164226), (1626, 160590), (1818, 143630), (1908, 136855), (2020, 129267), (2385, 109484), (2439, 107060), (2710, 96354), (3030, 86178), (3180, 82113), (3252, 80295), (3636, 71815), (4065, 64236), (4545, 57452), (4770, 54742), (4878, 53530), (5353, 48780), (5420, 48177), (6060, 43089), (8130, 32118), (9090, 28726), (9540, 27371), (9756, 26765), (10706, 24390), (12195, 21412), (14363, 18180), (16059, 16260)]