72428475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 147847680

約数和(自身を除く): 75419205

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 53, 57, 75, 95, 105, 133, 137, 159, 175, 265, 285, 371, 399, 411, 475, 525, 665, 685, 795, 959, 1007, 1113, 1325, 1425, 1855, 1995, 2055, 2603, 2877, 3021, 3325, 3425, 3975, 4795, 5035, 5565, 7049, 7261, 7809, 9275, 9975, 10275, 13015, 14385, 15105, 18221, 21147, 21783, 23975, 25175, 27825, 35245, 36305, 39045, 50827, 54663, 65075, 71925, 75525, 91105, 105735, 108915, 137959, 152481, 176225, 181525, 195225, 254135, 273315, 413877, 455525, 528675, 544575, 689795, 762405, 965713, 1270675, 1366575, 2069385, 2897139, 3448975, 3812025, 4828565, 10346925, 14485695, 24142825, 72428475]

約数ペア:

[(1, 72428475), (3, 24142825), (5, 14485695), (7, 10346925), (15, 4828565), (19, 3812025), (21, 3448975), (25, 2897139), (35, 2069385), (53, 1366575), (57, 1270675), (75, 965713), (95, 762405), (105, 689795), (133, 544575), (137, 528675), (159, 455525), (175, 413877), (265, 273315), (285, 254135), (371, 195225), (399, 181525), (411, 176225), (475, 152481), (525, 137959), (665, 108915), (685, 105735), (795, 91105), (959, 75525), (1007, 71925), (1113, 65075), (1325, 54663), (1425, 50827), (1855, 39045), (1995, 36305), (2055, 35245), (2603, 27825), (2877, 25175), (3021, 23975), (3325, 21783), (3425, 21147), (3975, 18221), (4795, 15105), (5035, 14385), (5565, 13015), (7049, 10275), (7261, 9975), (7809, 9275)]