128281644

素因数分解:

$2^2\times 3^5\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 338211328

約数和(自身を除く): 209929684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 271, 324, 486, 487, 542, 813, 972, 974, 1084, 1461, 1626, 1948, 2439, 2922, 3252, 4383, 4878, 5844, 7317, 8766, 9756, 13149, 14634, 17532, 21951, 26298, 29268, 39447, 43902, 52596, 65853, 78894, 87804, 118341, 131706, 131977, 157788, 236682, 263412, 263954, 395931, 473364, 527908, 791862, 1187793, 1583724, 2375586, 3563379, 4751172, 7126758, 10690137, 14253516, 21380274, 32070411, 42760548, 64140822, 128281644]

約数ペア:

[(1, 128281644), (2, 64140822), (3, 42760548), (4, 32070411), (6, 21380274), (9, 14253516), (12, 10690137), (18, 7126758), (27, 4751172), (36, 3563379), (54, 2375586), (81, 1583724), (108, 1187793), (162, 791862), (243, 527908), (271, 473364), (324, 395931), (486, 263954), (487, 263412), (542, 236682), (813, 157788), (972, 131977), (974, 131706), (1084, 118341), (1461, 87804), (1626, 78894), (1948, 65853), (2439, 52596), (2922, 43902), (3252, 39447), (4383, 29268), (4878, 26298), (5844, 21951), (7317, 17532), (8766, 14634), (9756, 13149)]