72538180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1951}}^1$

素因数の和:1997

約数の個数: 72

約数和(自身を含む): 180036864

約数和(自身を除く): 107498684

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 1951, 2860, 3380, 3718, 3902, 7436, 7804, 9295, 9755, 18590, 19510, 21461, 25363, 37180, 39020, 42922, 50726, 85844, 101452, 107305, 126815, 214610, 253630, 278993, 329719, 429220, 507260, 557986, 659438, 1115972, 1318876, 1394965, 1648595, 2789930, 3297190, 3626909, 5579860, 6594380, 7253818, 14507636, 18134545, 36269090, 72538180]

約数ペア:

[(1, 72538180), (2, 36269090), (4, 18134545), (5, 14507636), (10, 7253818), (11, 6594380), (13, 5579860), (20, 3626909), (22, 3297190), (26, 2789930), (44, 1648595), (52, 1394965), (55, 1318876), (65, 1115972), (110, 659438), (130, 557986), (143, 507260), (169, 429220), (220, 329719), (260, 278993), (286, 253630), (338, 214610), (572, 126815), (676, 107305), (715, 101452), (845, 85844), (1430, 50726), (1690, 42922), (1859, 39020), (1951, 37180), (2860, 25363), (3380, 21461), (3718, 19510), (3902, 18590), (7436, 9755), (7804, 9295)]