40479975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 80954640

約数和(自身を除く): 40474665

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 557, 765, 855, 969, 1275, 1425, 1615, 1671, 2785, 2907, 3825, 4275, 4845, 5013, 8075, 8355, 9469, 10583, 13925, 14535, 24225, 25065, 28407, 31749, 41775, 47345, 52915, 72675, 85221, 95247, 125325, 142035, 158745, 179911, 236725, 264575, 426105, 476235, 539733, 710175, 793725, 899555, 1619199, 2130525, 2381175, 2698665, 4497775, 8095995, 13493325, 40479975]

約数ペア:

[(1, 40479975), (3, 13493325), (5, 8095995), (9, 4497775), (15, 2698665), (17, 2381175), (19, 2130525), (25, 1619199), (45, 899555), (51, 793725), (57, 710175), (75, 539733), (85, 476235), (95, 426105), (153, 264575), (171, 236725), (225, 179911), (255, 158745), (285, 142035), (323, 125325), (425, 95247), (475, 85221), (557, 72675), (765, 52915), (855, 47345), (969, 41775), (1275, 31749), (1425, 28407), (1615, 25065), (1671, 24225), (2785, 14535), (2907, 13925), (3825, 10583), (4275, 9469), (4845, 8355), (5013, 8075)]