72781220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1667}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 159727680

約数和(自身を除く): 86946460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 590, 740, 1180, 1667, 2183, 3334, 4366, 6668, 8335, 8732, 10915, 16670, 21830, 33340, 43660, 61679, 98353, 123358, 196706, 246716, 308395, 393412, 491765, 616790, 983530, 1233580, 1967060, 3639061, 7278122, 14556244, 18195305, 36390610, 72781220]

約数ペア:

[(1, 72781220), (2, 36390610), (4, 18195305), (5, 14556244), (10, 7278122), (20, 3639061), (37, 1967060), (59, 1233580), (74, 983530), (118, 616790), (148, 491765), (185, 393412), (236, 308395), (295, 246716), (370, 196706), (590, 123358), (740, 98353), (1180, 61679), (1667, 43660), (2183, 33340), (3334, 21830), (4366, 16670), (6668, 10915), (8335, 8732)]