147339280

素因数分解:

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

素因数の和:557

約数の個数: 120

約数和(自身を含む): 389475072

約数和(自身を除く): 242135792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 491, 496, 605, 620, 682, 880, 968, 982, 1210, 1240, 1364, 1705, 1936, 1964, 2420, 2455, 2480, 2728, 3410, 3751, 3928, 4840, 4910, 5401, 5456, 6820, 7502, 7856, 9680, 9820, 10802, 13640, 15004, 15221, 18755, 19640, 21604, 27005, 27280, 30008, 30442, 37510, 39280, 43208, 54010, 59411, 60016, 60884, 75020, 76105, 86416, 108020, 118822, 121768, 150040, 152210, 167431, 216040, 237644, 243536, 297055, 300080, 304420, 334862, 432080, 475288, 594110, 608840, 669724, 837155, 950576, 1188220, 1217680, 1339448, 1674310, 1841741, 2376440, 2678896, 3348620, 3683482, 4752880, 6697240, 7366964, 9208705, 13394480, 14733928, 18417410, 29467856, 36834820, 73669640, 147339280]

約数ペア:

[(1, 147339280), (2, 73669640), (4, 36834820), (5, 29467856), (8, 18417410), (10, 14733928), (11, 13394480), (16, 9208705), (20, 7366964), (22, 6697240), (31, 4752880), (40, 3683482), (44, 3348620), (55, 2678896), (62, 2376440), (80, 1841741), (88, 1674310), (110, 1339448), (121, 1217680), (124, 1188220), (155, 950576), (176, 837155), (220, 669724), (242, 608840), (248, 594110), (310, 475288), (341, 432080), (440, 334862), (484, 304420), (491, 300080), (496, 297055), (605, 243536), (620, 237644), (682, 216040), (880, 167431), (968, 152210), (982, 150040), (1210, 121768), (1240, 118822), (1364, 108020), (1705, 86416), (1936, 76105), (1964, 75020), (2420, 60884), (2455, 60016), (2480, 59411), (2728, 54010), (3410, 43208), (3751, 39280), (3928, 37510), (4840, 30442), (4910, 30008), (5401, 27280), (5456, 27005), (6820, 21604), (7502, 19640), (7856, 18755), (9680, 15221), (9820, 15004), (10802, 13640)]