66972400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 181559808

約数和(自身を除く): 114587408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 491, 496, 550, 620, 682, 775, 880, 982, 1100, 1240, 1364, 1550, 1705, 1964, 2200, 2455, 2480, 2728, 3100, 3410, 3928, 4400, 4910, 5401, 5456, 6200, 6820, 7856, 8525, 9820, 10802, 12275, 12400, 13640, 15221, 17050, 19640, 21604, 24550, 27005, 27280, 30442, 34100, 39280, 43208, 49100, 54010, 60884, 68200, 76105, 86416, 98200, 108020, 121768, 135025, 136400, 152210, 167431, 196400, 216040, 243536, 270050, 304420, 334862, 380525, 432080, 540100, 608840, 669724, 761050, 837155, 1080200, 1217680, 1339448, 1522100, 1674310, 2160400, 2678896, 3044200, 3348620, 4185775, 6088400, 6697240, 8371550, 13394480, 16743100, 33486200, 66972400]

約数ペア:

[(1, 66972400), (2, 33486200), (4, 16743100), (5, 13394480), (8, 8371550), (10, 6697240), (11, 6088400), (16, 4185775), (20, 3348620), (22, 3044200), (25, 2678896), (31, 2160400), (40, 1674310), (44, 1522100), (50, 1339448), (55, 1217680), (62, 1080200), (80, 837155), (88, 761050), (100, 669724), (110, 608840), (124, 540100), (155, 432080), (176, 380525), (200, 334862), (220, 304420), (248, 270050), (275, 243536), (310, 216040), (341, 196400), (400, 167431), (440, 152210), (491, 136400), (496, 135025), (550, 121768), (620, 108020), (682, 98200), (775, 86416), (880, 76105), (982, 68200), (1100, 60884), (1240, 54010), (1364, 49100), (1550, 43208), (1705, 39280), (1964, 34100), (2200, 30442), (2455, 27280), (2480, 27005), (2728, 24550), (3100, 21604), (3410, 19640), (3928, 17050), (4400, 15221), (4910, 13640), (5401, 12400), (5456, 12275), (6200, 10802), (6820, 9820), (7856, 8525)]