128539640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4507}}^1$

素因数の和:4572

約数の個数: 64

約数和(自身を含む): 311592960

約数和(自身を除く): 183053320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 4507, 5704, 7130, 9014, 14260, 18028, 22535, 28520, 36056, 45070, 90140, 103661, 139717, 180280, 207322, 279434, 414644, 518305, 558868, 698585, 829288, 1036610, 1117736, 1397170, 2073220, 2794340, 3213491, 4146440, 5588680, 6426982, 12853964, 16067455, 25707928, 32134910, 64269820, 128539640]

約数ペア:

[(1, 128539640), (2, 64269820), (4, 32134910), (5, 25707928), (8, 16067455), (10, 12853964), (20, 6426982), (23, 5588680), (31, 4146440), (40, 3213491), (46, 2794340), (62, 2073220), (92, 1397170), (115, 1117736), (124, 1036610), (155, 829288), (184, 698585), (230, 558868), (248, 518305), (310, 414644), (460, 279434), (620, 207322), (713, 180280), (920, 139717), (1240, 103661), (1426, 90140), (2852, 45070), (3565, 36056), (4507, 28520), (5704, 22535), (7130, 18028), (9014, 14260)]