72810640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5653}}^1$

素因数の和:5696

約数の個数: 80

約数和(自身を含む): 201915648

約数和(自身を除く): 129105008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5653, 6440, 11306, 12880, 22612, 28265, 39571, 45224, 56530, 79142, 90448, 113060, 130019, 158284, 197855, 226120, 260038, 316568, 395710, 452240, 520076, 633136, 650095, 791420, 910133, 1040152, 1300190, 1582840, 1820266, 2080304, 2600380, 3165680, 3640532, 4550665, 5200760, 7281064, 9101330, 10401520, 14562128, 18202660, 36405320, 72810640]

約数ペア:

[(1, 72810640), (2, 36405320), (4, 18202660), (5, 14562128), (7, 10401520), (8, 9101330), (10, 7281064), (14, 5200760), (16, 4550665), (20, 3640532), (23, 3165680), (28, 2600380), (35, 2080304), (40, 1820266), (46, 1582840), (56, 1300190), (70, 1040152), (80, 910133), (92, 791420), (112, 650095), (115, 633136), (140, 520076), (161, 452240), (184, 395710), (230, 316568), (280, 260038), (322, 226120), (368, 197855), (460, 158284), (560, 130019), (644, 113060), (805, 90448), (920, 79142), (1288, 56530), (1610, 45224), (1840, 39571), (2576, 28265), (3220, 22612), (5653, 12880), (6440, 11306)]